Home / 16,442,740.80-24,664,111.20-7,923,938.40

Finding the Fourth Proportional to 16,442,740.80, 24,664,111.20 and 7,923,938.40

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Solution

The fourth proportional to 16,442,740.80, 24,664,111.20 and 7,923,938.40 is: 11,885,907.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,442,740.80 : 24,664,111.20 = 7,923,938.40 : x
  2. Step 2: Convert to fraction form
    16,442,740.80/24,664,111.20 = 7,923,938.40/x
  3. Step 3: Cross multiply
    16,442,740.80x = 24,664,111.20 × 7,923,938.40
  4. Step 4: Simplify right side
    16,442,740.80x = 195,436,897,839,550.09
  5. Step 5: Solve for x
    x = 195,436,897,839,550.09/16,442,740.80
  6. Step 6: Final answer
    x = 11,885,907.60

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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.