Home / 18,351,543.40-27,527,315.10-12,304,925.80

Finding the Fourth Proportional to 18,351,543.40, 27,527,315.10 and 12,304,925.80

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Solution

The fourth proportional to 18,351,543.40, 27,527,315.10 and 12,304,925.80 is: 18,457,388.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,351,543.40 : 27,527,315.10 = 12,304,925.80 : x
  2. Step 2: Convert to fraction form
    18,351,543.40/27,527,315.10 = 12,304,925.80/x
  3. Step 3: Cross multiply
    18,351,543.40x = 27,527,315.10 × 12,304,925.80
  4. Step 4: Simplify right side
    18,351,543.40x = 338,721,569,778,719.62
  5. Step 5: Solve for x
    x = 338,721,569,778,719.62/18,351,543.40
  6. Step 6: Final answer
    x = 18,457,388.70

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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.