Home / 21,459,645.20-32,189,467.80-14,657,200.40

Finding the Fourth Proportional to 21,459,645.20, 32,189,467.80 and 14,657,200.40

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Solution

The fourth proportional to 21,459,645.20, 32,189,467.80 and 14,657,200.40 is: 21,985,800.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,459,645.20 : 32,189,467.80 = 14,657,200.40 : x
  2. Step 2: Convert to fraction form
    21,459,645.20/32,189,467.80 = 14,657,200.40/x
  3. Step 3: Cross multiply
    21,459,645.20x = 32,189,467.80 × 14,657,200.40
  4. Step 4: Simplify right side
    21,459,645.20x = 471,807,480,313,947.12
  5. Step 5: Solve for x
    x = 471,807,480,313,947.12/21,459,645.20
  6. Step 6: Final answer
    x = 21,985,800.60

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.