Home / 12,275,148.50-16,939,706.04-6,842,640.50

Finding the Fourth Proportional to 12,275,148.50, 16,939,706.04 and 6,842,640.50

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Solution

The fourth proportional to 12,275,148.50, 16,939,706.04 and 6,842,640.50 is: 9,442,844.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,275,148.50 : 16,939,706.04 = 6,842,640.50 : x
  2. Step 2: Convert to fraction form
    12,275,148.50/16,939,706.04 = 6,842,640.50/x
  3. Step 3: Cross multiply
    12,275,148.50x = 16,939,706.04 × 6,842,640.50
  4. Step 4: Simplify right side
    12,275,148.50x = 115,912,318,607,398.61
  5. Step 5: Solve for x
    x = 115,912,318,607,398.61/12,275,148.50
  6. Step 6: Final answer
    x = 9,442,844.51

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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.