Home / 9,531,385.20-13,153,444.74-5,180,470.20

Finding the Fourth Proportional to 9,531,385.20, 13,153,444.74 and 5,180,470.20

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Solution

The fourth proportional to 9,531,385.20, 13,153,444.74 and 5,180,470.20 is: 7,149,121.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,531,385.20 : 13,153,444.74 = 5,180,470.20 : x
  2. Step 2: Convert to fraction form
    9,531,385.20/13,153,444.74 = 5,180,470.20/x
  3. Step 3: Cross multiply
    9,531,385.20x = 13,153,444.74 × 5,180,470.20
  4. Step 4: Simplify right side
    9,531,385.20x = 68,141,028,502,916.75
  5. Step 5: Solve for x
    x = 68,141,028,502,916.75/9,531,385.20
  6. Step 6: Final answer
    x = 7,149,121.25

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1.5x scale

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.