Home / 9,513,146.90-13,128,076.13-5,162,122.56

Finding the Fourth Proportional to 9,513,146.90, 13,128,076.13 and 5,162,122.56

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Solution

The fourth proportional to 9,513,146.90, 13,128,076.13 and 5,162,122.56 is: 7,123,693.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,513,146.90 : 13,128,076.13 = 5,162,122.56 : x
  2. Step 2: Convert to fraction form
    9,513,146.90/13,128,076.13 = 5,162,122.56/x
  3. Step 3: Cross multiply
    9,513,146.90x = 13,128,076.13 × 5,162,122.56
  4. Step 4: Simplify right side
    9,513,146.90x = 67,768,737,960,070.49
  5. Step 5: Solve for x
    x = 67,768,737,960,070.49/9,513,146.90
  6. Step 6: Final answer
    x = 7,123,693.00

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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.