Home / 30,908,459.38-42,651,540.29-17,156,340.94

Finding the Fourth Proportional to 30,908,459.38, 42,651,540.29 and 17,156,340.94

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Solution

The fourth proportional to 30,908,459.38, 42,651,540.29 and 17,156,340.94 is: 23,674,566.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,908,459.38 : 42,651,540.29 = 17,156,340.94 : x
  2. Step 2: Convert to fraction form
    30,908,459.38/42,651,540.29 = 17,156,340.94/x
  3. Step 3: Cross multiply
    30,908,459.38x = 42,651,540.29 × 17,156,340.94
  4. Step 4: Simplify right side
    30,908,459.38x = 731,744,366,638,975.88
  5. Step 5: Solve for x
    x = 731,744,366,638,975.88/30,908,459.38
  6. Step 6: Final answer
    x = 23,674,566.17

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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.