Home / 12,304,429.80-18,454,895.10-4,217,778.60

Finding the Fourth Proportional to 12,304,429.80, 18,454,895.10 and 4,217,778.60

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Solution

The fourth proportional to 12,304,429.80, 18,454,895.10 and 4,217,778.60 is: 6,326,068.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,304,429.80 : 18,454,895.10 = 4,217,778.60 : x
  2. Step 2: Convert to fraction form
    12,304,429.80/18,454,895.10 = 4,217,778.60/x
  3. Step 3: Cross multiply
    12,304,429.80x = 18,454,895.10 × 4,217,778.60
  4. Step 4: Simplify right side
    12,304,429.80x = 77,838,661,618,024.86
  5. Step 5: Solve for x
    x = 77,838,661,618,024.86/12,304,429.80
  6. Step 6: Final answer
    x = 6,326,068.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.