Home / 21,645,200.40-32,467,800.60-13,425,579.60

Finding the Fourth Proportional to 21,645,200.40, 32,467,800.60 and 13,425,579.60

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Solution

The fourth proportional to 21,645,200.40, 32,467,800.60 and 13,425,579.60 is: 20,138,369.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,645,200.40 : 32,467,800.60 = 13,425,579.60 : x
  2. Step 2: Convert to fraction form
    21,645,200.40/32,467,800.60 = 13,425,579.60/x
  3. Step 3: Cross multiply
    21,645,200.40x = 32,467,800.60 × 13,425,579.60
  4. Step 4: Simplify right side
    21,645,200.40x = 435,899,041,392,227.75
  5. Step 5: Solve for x
    x = 435,899,041,392,227.75/21,645,200.40
  6. Step 6: Final answer
    x = 20,138,369.40

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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.