Home / 30,696,687.31-42,361,329.24-16,758,214.70

Finding the Fourth Proportional to 30,696,687.31, 42,361,329.24 and 16,758,214.70

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Solution

The fourth proportional to 30,696,687.31, 42,361,329.24 and 16,758,214.70 is: 23,126,282.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,696,687.31 : 42,361,329.24 = 16,758,214.70 : x
  2. Step 2: Convert to fraction form
    30,696,687.31/42,361,329.24 = 16,758,214.70/x
  3. Step 3: Cross multiply
    30,696,687.31x = 42,361,329.24 × 16,758,214.70
  4. Step 4: Simplify right side
    30,696,687.31x = 709,900,250,381,307.88
  5. Step 5: Solve for x
    x = 709,900,250,381,307.88/30,696,687.31
  6. Step 6: Final answer
    x = 23,126,282.10

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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.