Home / 10,071,142.24-13,898,178.28-5,487,463.64

Finding the Fourth Proportional to 10,071,142.24, 13,898,178.28 and 5,487,463.64

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Solution

The fourth proportional to 10,071,142.24, 13,898,178.28 and 5,487,463.64 is: 7,572,700.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,071,142.24 : 13,898,178.28 = 5,487,463.64 : x
  2. Step 2: Convert to fraction form
    10,071,142.24/13,898,178.28 = 5,487,463.64/x
  3. Step 3: Cross multiply
    10,071,142.24x = 13,898,178.28 × 5,487,463.64
  4. Step 4: Simplify right side
    10,071,142.24x = 76,265,747,973,737.73
  5. Step 5: Solve for x
    x = 76,265,747,973,737.73/10,071,142.24
  6. Step 6: Final answer
    x = 7,572,700.91

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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.