Home / 31,592,255.68-47,390,155.92-8,871,381.28

Finding the Fourth Proportional to 31,592,255.68, 47,390,155.92 and 8,871,381.28

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Solution

The fourth proportional to 31,592,255.68, 47,390,155.92 and 8,871,381.28 is: 13,307,569.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,592,255.68 : 47,390,155.92 = 8,871,381.28 : x
  2. Step 2: Convert to fraction form
    31,592,255.68/47,390,155.92 = 8,871,381.28/x
  3. Step 3: Cross multiply
    31,592,255.68x = 47,390,155.92 × 8,871,381.28
  4. Step 4: Simplify right side
    31,592,255.68x = 420,416,142,084,969.19
  5. Step 5: Solve for x
    x = 420,416,142,084,969.19/31,592,255.68
  6. Step 6: Final answer
    x = 13,307,569.63

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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.