Home / 13,943,276.30-20,914,914.45-12,998,492.30

Finding the Fourth Proportional to 13,943,276.30, 20,914,914.45 and 12,998,492.30

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Solution

The fourth proportional to 13,943,276.30, 20,914,914.45 and 12,998,492.30 is: 19,497,738.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,943,276.30 : 20,914,914.45 = 12,998,492.30 : x
  2. Step 2: Convert to fraction form
    13,943,276.30/20,914,914.45 = 12,998,492.30/x
  3. Step 3: Cross multiply
    13,943,276.30x = 20,914,914.45 × 12,998,492.30
  4. Step 4: Simplify right side
    13,943,276.30x = 271,862,354,433,483.75
  5. Step 5: Solve for x
    x = 271,862,354,433,483.75/13,943,276.30
  6. Step 6: Final answer
    x = 19,497,738.45

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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.