Home / 9,772,644.43-13,487,868.24-5,423,127.90

Finding the Fourth Proportional to 9,772,644.43, 13,487,868.24 and 5,423,127.90

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Solution

The fourth proportional to 9,772,644.43, 13,487,868.24 and 5,423,127.90 is: 7,484,814.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,772,644.43 : 13,487,868.24 = 5,423,127.90 : x
  2. Step 2: Convert to fraction form
    9,772,644.43/13,487,868.24 = 5,423,127.90/x
  3. Step 3: Cross multiply
    9,772,644.43x = 13,487,868.24 × 5,423,127.90
  4. Step 4: Simplify right side
    9,772,644.43x = 73,146,434,523,456.77
  5. Step 5: Solve for x
    x = 73,146,434,523,456.77/9,772,644.43
  6. Step 6: Final answer
    x = 7,484,814.89

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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.