Home / 31,443,923.20-47,160,608.64-8,727,128.32

Finding the Fourth Proportional to 31,443,923.20, 47,160,608.64 and 8,727,128.32

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Solution

The fourth proportional to 31,443,923.20, 47,160,608.64 and 8,727,128.32 is: 13,089,228.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,443,923.20 : 47,160,608.64 = 8,727,128.32 : x
  2. Step 2: Convert to fraction form
    31,443,923.20/47,160,608.64 = 8,727,128.32/x
  3. Step 3: Cross multiply
    31,443,923.20x = 47,160,608.64 × 8,727,128.32
  4. Step 4: Simplify right side
    31,443,923.20x = 411,576,683,250,580.69
  5. Step 5: Solve for x
    x = 411,576,683,250,580.69/31,443,923.20
  6. Step 6: Final answer
    x = 13,089,228.10

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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.