Home / 31,592,157.50-47,390,008.92-8,871,283.28

Finding the Fourth Proportional to 31,592,157.50, 47,390,008.92 and 8,871,283.28

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Solution

The fourth proportional to 31,592,157.50, 47,390,008.92 and 8,871,283.28 is: 13,307,422.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,592,157.50 : 47,390,008.92 = 8,871,283.28 : x
  2. Step 2: Convert to fraction form
    31,592,157.50/47,390,008.92 = 8,871,283.28/x
  3. Step 3: Cross multiply
    31,592,157.50x = 47,390,008.92 × 8,871,283.28
  4. Step 4: Simplify right side
    31,592,157.50x = 420,410,193,771,046.81
  5. Step 5: Solve for x
    x = 420,410,193,771,046.81/31,592,157.50
  6. Step 6: Final answer
    x = 13,307,422.70

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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.