Home / 30,888,748.38-42,626,478.06-17,137,679.70

Finding the Fourth Proportional to 30,888,748.38, 42,626,478.06 and 17,137,679.70

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Solution

The fourth proportional to 30,888,748.38, 42,626,478.06 and 17,137,679.70 is: 23,650,000.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,888,748.38 : 42,626,478.06 = 17,137,679.70 : x
  2. Step 2: Convert to fraction form
    30,888,748.38/42,626,478.06 = 17,137,679.70/x
  3. Step 3: Cross multiply
    30,888,748.38x = 42,626,478.06 × 17,137,679.70
  4. Step 4: Simplify right side
    30,888,748.38x = 730,518,927,731,357.38
  5. Step 5: Solve for x
    x = 730,518,927,731,357.38/30,888,748.38
  6. Step 6: Final answer
    x = 23,650,000.92

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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.