Home / 13,345,237.50-18,416,410.12-7,233,664.38

Finding the Fourth Proportional to 13,345,237.50, 18,416,410.12 and 7,233,664.38

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Solution

The fourth proportional to 13,345,237.50, 18,416,410.12 and 7,233,664.38 is: 9,982,447.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,345,237.50 : 18,416,410.12 = 7,233,664.38 : x
  2. Step 2: Convert to fraction form
    13,345,237.50/18,416,410.12 = 7,233,664.38/x
  3. Step 3: Cross multiply
    13,345,237.50x = 18,416,410.12 × 7,233,664.38
  4. Step 4: Simplify right side
    13,345,237.50x = 133,218,129,892,515.53
  5. Step 5: Solve for x
    x = 133,218,129,892,515.53/13,345,237.50
  6. Step 6: Final answer
    x = 9,982,447.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.