Home / 15,442,680.90-21,302,045.58-9,631,373.58

Finding the Fourth Proportional to 15,442,680.90, 21,302,045.58 and 9,631,373.58

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Solution

The fourth proportional to 15,442,680.90, 21,302,045.58 and 9,631,373.58 is: 13,285,773.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,442,680.90 : 21,302,045.58 = 9,631,373.58 : x
  2. Step 2: Convert to fraction form
    15,442,680.90/21,302,045.58 = 9,631,373.58/x
  3. Step 3: Cross multiply
    15,442,680.90x = 21,302,045.58 × 9,631,373.58
  4. Step 4: Simplify right side
    15,442,680.90x = 205,167,958,999,167.75
  5. Step 5: Solve for x
    x = 205,167,958,999,167.75/15,442,680.90
  6. Step 6: Final answer
    x = 13,285,773.39

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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.