Home / 8,918,168.52-12,312,171.90-5,871,240.12

Finding the Fourth Proportional to 8,918,168.52, 12,312,171.90 and 5,871,240.12

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Solution

The fourth proportional to 8,918,168.52, 12,312,171.90 and 5,871,240.12 is: 8,105,668.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,918,168.52 : 12,312,171.90 = 5,871,240.12 : x
  2. Step 2: Convert to fraction form
    8,918,168.52/12,312,171.90 = 5,871,240.12/x
  3. Step 3: Cross multiply
    8,918,168.52x = 12,312,171.90 × 5,871,240.12
  4. Step 4: Simplify right side
    8,918,168.52x = 72,287,717,623,616.62
  5. Step 5: Solve for x
    x = 72,287,717,623,616.62/8,918,168.52
  6. Step 6: Final answer
    x = 8,105,668.50

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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.