Home / 15,733,447.40-21,712,151.58-9,208,319.06

Finding the Fourth Proportional to 15,733,447.40, 21,712,151.58 and 9,208,319.06

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Solution

The fourth proportional to 15,733,447.40, 21,712,151.58 and 9,208,319.06 is: 12,707,476.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,733,447.40 : 21,712,151.58 = 9,208,319.06 : x
  2. Step 2: Convert to fraction form
    15,733,447.40/21,712,151.58 = 9,208,319.06/x
  3. Step 3: Cross multiply
    15,733,447.40x = 21,712,151.58 × 9,208,319.06
  4. Step 4: Simplify right side
    15,733,447.40x = 199,932,419,227,723.12
  5. Step 5: Solve for x
    x = 199,932,419,227,723.12/15,733,447.40
  6. Step 6: Final answer
    x = 12,707,476.89

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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.