Home / 31,576,870.20-47,365,305.30-15,413,190.60

Finding the Fourth Proportional to 31,576,870.20, 47,365,305.30 and 15,413,190.60

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Solution

The fourth proportional to 31,576,870.20, 47,365,305.30 and 15,413,190.60 is: 23,119,785.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,576,870.20 : 47,365,305.30 = 15,413,190.60 : x
  2. Step 2: Convert to fraction form
    31,576,870.20/47,365,305.30 = 15,413,190.60/x
  3. Step 3: Cross multiply
    31,576,870.20x = 47,365,305.30 × 15,413,190.60
  4. Step 4: Simplify right side
    31,576,870.20x = 730,050,478,416,090.12
  5. Step 5: Solve for x
    x = 730,050,478,416,090.12/31,576,870.20
  6. Step 6: Final answer
    x = 23,119,785.90

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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.