Home / 12,304,688.40-16,979,956.08-7,077,299.04

Finding the Fourth Proportional to 12,304,688.40, 16,979,956.08 and 7,077,299.04

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Solution

The fourth proportional to 12,304,688.40, 16,979,956.08 and 7,077,299.04 is: 9,766,377.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,304,688.40 : 16,979,956.08 = 7,077,299.04 : x
  2. Step 2: Convert to fraction form
    12,304,688.40/16,979,956.08 = 7,077,299.04/x
  3. Step 3: Cross multiply
    12,304,688.40x = 16,979,956.08 × 7,077,299.04
  4. Step 4: Simplify right side
    12,304,688.40x = 120,172,226,864,226.16
  5. Step 5: Solve for x
    x = 120,172,226,864,226.16/12,304,688.40
  6. Step 6: Final answer
    x = 9,766,377.09

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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.