Home / 9,515,201.40-13,130,990.89-5,164,287.75

Finding the Fourth Proportional to 9,515,201.40, 13,130,990.89 and 5,164,287.75

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Solution

The fourth proportional to 9,515,201.40, 13,130,990.89 and 5,164,287.75 is: 7,126,724.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515,201.40 : 13,130,990.89 = 5,164,287.75 : x
  2. Step 2: Convert to fraction form
    9,515,201.40/13,130,990.89 = 5,164,287.75/x
  3. Step 3: Cross multiply
    9,515,201.40x = 13,130,990.89 × 5,164,287.75
  4. Step 4: Simplify right side
    9,515,201.40x = 67,812,215,385,677.88
  5. Step 5: Solve for x
    x = 67,812,215,385,677.88/9,515,201.40
  6. Step 6: Final answer
    x = 7,126,724.13

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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.