Home / 9,515,171.17-13,130,948.88-5,164,257.47

Finding the Fourth Proportional to 9,515,171.17, 13,130,948.88 and 5,164,257.47

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Solution

The fourth proportional to 9,515,171.17, 13,130,948.88 and 5,164,257.47 is: 7,126,682.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515,171.17 : 13,130,948.88 = 5,164,257.47 : x
  2. Step 2: Convert to fraction form
    9,515,171.17/13,130,948.88 = 5,164,257.47/x
  3. Step 3: Cross multiply
    9,515,171.17x = 13,130,948.88 × 5,164,257.47
  4. Step 4: Simplify right side
    9,515,171.17x = 67,811,600,841,728.13
  5. Step 5: Solve for x
    x = 67,811,600,841,728.13/9,515,171.17
  6. Step 6: Final answer
    x = 7,126,682.18

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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.