Home / 9,142,974.72-13,712,363.32-5,451,043.12

Finding the Fourth Proportional to 9,142,974.72, 13,712,363.32 and 5,451,043.12

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Solution

The fourth proportional to 9,142,974.72, 13,712,363.32 and 5,451,043.12 is: 8,175,313.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,142,974.72 : 13,712,363.32 = 5,451,043.12 : x
  2. Step 2: Convert to fraction form
    9,142,974.72/13,712,363.32 = 5,451,043.12/x
  3. Step 3: Cross multiply
    9,142,974.72x = 13,712,363.32 × 5,451,043.12
  4. Step 4: Simplify right side
    9,142,974.72x = 74,746,683,734,426.36
  5. Step 5: Solve for x
    x = 74,746,683,734,426.36/9,142,974.72
  6. Step 6: Final answer
    x = 8,175,313.40

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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.