Home / 31,592,271.68-47,390,179.92-8,871,397.28

Finding the Fourth Proportional to 31,592,271.68, 47,390,179.92 and 8,871,397.28

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Solution

The fourth proportional to 31,592,271.68, 47,390,179.92 and 8,871,397.28 is: 13,307,593.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,592,271.68 : 47,390,179.92 = 8,871,397.28 : x
  2. Step 2: Convert to fraction form
    31,592,271.68/47,390,179.92 = 8,871,397.28/x
  3. Step 3: Cross multiply
    31,592,271.68x = 47,390,179.92 × 8,871,397.28
  4. Step 4: Simplify right side
    31,592,271.68x = 420,417,113,240,998.62
  5. Step 5: Solve for x
    x = 420,417,113,240,998.62/31,592,271.68
  6. Step 6: Final answer
    x = 13,307,593.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.