Home / 30,908,459.19-42,651,540.03-17,156,340.75

Finding the Fourth Proportional to 30,908,459.19, 42,651,540.03 and 17,156,340.75

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Solution

The fourth proportional to 30,908,459.19, 42,651,540.03 and 17,156,340.75 is: 23,674,565.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,908,459.19 : 42,651,540.03 = 17,156,340.75 : x
  2. Step 2: Convert to fraction form
    30,908,459.19/42,651,540.03 = 17,156,340.75/x
  3. Step 3: Cross multiply
    30,908,459.19x = 42,651,540.03 × 17,156,340.75
  4. Step 4: Simplify right side
    30,908,459.19x = 731,744,354,266,945.25
  5. Step 5: Solve for x
    x = 731,744,354,266,945.25/30,908,459.19
  6. Step 6: Final answer
    x = 23,674,565.91

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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.