Home / 31,437,793.32-47,153,988.30-19,138,564.20

Finding the Fourth Proportional to 31,437,793.32, 47,153,988.30 and 19,138,564.20

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Solution

The fourth proportional to 31,437,793.32, 47,153,988.30 and 19,138,564.20 is: 28,706,201.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,437,793.32 : 47,153,988.30 = 19,138,564.20 : x
  2. Step 2: Convert to fraction form
    31,437,793.32/47,153,988.30 = 19,138,564.20/x
  3. Step 3: Cross multiply
    31,437,793.32x = 47,153,988.30 × 19,138,564.20
  4. Step 4: Simplify right side
    31,437,793.32x = 902,459,632,365,598.75
  5. Step 5: Solve for x
    x = 902,459,632,365,598.75/31,437,793.32
  6. Step 6: Final answer
    x = 28,706,201.58

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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.