Home / 13,345,233.12-18,416,404.08-7,233,660

Finding the Fourth Proportional to 13,345,233.12, 18,416,404.08 and 7,233,660

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Solution

The fourth proportional to 13,345,233.12, 18,416,404.08 and 7,233,660 is: 9,982,441.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,345,233.12 : 18,416,404.08 = 7,233,660 : x
  2. Step 2: Convert to fraction form
    13,345,233.12/18,416,404.08 = 7,233,660/x
  3. Step 3: Cross multiply
    13,345,233.12x = 18,416,404.08 × 7,233,660
  4. Step 4: Simplify right side
    13,345,233.12x = 133,218,005,537,332.78
  5. Step 5: Solve for x
    x = 133,218,005,537,332.78/13,345,233.12
  6. Step 6: Final answer
    x = 9,982,441.25

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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.