Home / 13,970,044.20-20,955,066.30-12,290,428.20

Finding the Fourth Proportional to 13,970,044.20, 20,955,066.30 and 12,290,428.20

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Solution

The fourth proportional to 13,970,044.20, 20,955,066.30 and 12,290,428.20 is: 18,435,642.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,970,044.20 : 20,955,066.30 = 12,290,428.20 : x
  2. Step 2: Convert to fraction form
    13,970,044.20/20,955,066.30 = 12,290,428.20/x
  3. Step 3: Cross multiply
    13,970,044.20x = 20,955,066.30 × 12,290,428.20
  4. Step 4: Simplify right side
    13,970,044.20x = 257,546,737,786,389.66
  5. Step 5: Solve for x
    x = 257,546,737,786,389.66/13,970,044.20
  6. Step 6: Final answer
    x = 18,435,642.30

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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.