Home / 31,780,140.78-47,670,654.04-9,061,038.03

Finding the Fourth Proportional to 31,780,140.78, 47,670,654.04 and 9,061,038.03

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Solution

The fourth proportional to 31,780,140.78, 47,670,654.04 and 9,061,038.03 is: 13,591,683.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,780,140.78 : 47,670,654.04 = 9,061,038.03 : x
  2. Step 2: Convert to fraction form
    31,780,140.78/47,670,654.04 = 9,061,038.03/x
  3. Step 3: Cross multiply
    31,780,140.78x = 47,670,654.04 × 9,061,038.03
  4. Step 4: Simplify right side
    31,780,140.78x = 431,945,609,126,107.88
  5. Step 5: Solve for x
    x = 431,945,609,126,107.88/31,780,140.78
  6. Step 6: Final answer
    x = 13,591,683.31

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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.