Home / 12,239,694.90-16,890,685.56-6,732,951.18

Finding the Fourth Proportional to 12,239,694.90, 16,890,685.56 and 6,732,951.18

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Solution

The fourth proportional to 12,239,694.90, 16,890,685.56 and 6,732,951.18 is: 9,291,421.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,239,694.90 : 16,890,685.56 = 6,732,951.18 : x
  2. Step 2: Convert to fraction form
    12,239,694.90/16,890,685.56 = 6,732,951.18/x
  3. Step 3: Cross multiply
    12,239,694.90x = 16,890,685.56 × 6,732,951.18
  4. Step 4: Simplify right side
    12,239,694.90x = 113,724,161,272,210.95
  5. Step 5: Solve for x
    x = 113,724,161,272,210.95/12,239,694.90
  6. Step 6: Final answer
    x = 9,291,421.25

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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.