Home / 9,515,077.72-13,127,591.10-5,437,792.60

Finding the Fourth Proportional to 9,515,077.72, 13,127,591.10 and 5,437,792.60

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Solution

The fourth proportional to 9,515,077.72, 13,127,591.10 and 5,437,792.60 is: 7,502,315.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515,077.72 : 13,127,591.10 = 5,437,792.60 : x
  2. Step 2: Convert to fraction form
    9,515,077.72/13,127,591.10 = 5,437,792.60/x
  3. Step 3: Cross multiply
    9,515,077.72x = 13,127,591.10 × 5,437,792.60
  4. Step 4: Simplify right side
    9,515,077.72x = 71,385,117,739,405.86
  5. Step 5: Solve for x
    x = 71,385,117,739,405.86/9,515,077.72
  6. Step 6: Final answer
    x = 7,502,315.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.