Home / 13,345,253.64-18,416,432.32-7,233,680.52

Finding the Fourth Proportional to 13,345,253.64, 18,416,432.32 and 7,233,680.52

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Solution

The fourth proportional to 13,345,253.64, 18,416,432.32 and 7,233,680.52 is: 9,982,469.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,345,253.64 : 18,416,432.32 = 7,233,680.52 : x
  2. Step 2: Convert to fraction form
    13,345,253.64/18,416,432.32 = 7,233,680.52/x
  3. Step 3: Cross multiply
    13,345,253.64x = 18,416,432.32 × 7,233,680.52
  4. Step 4: Simplify right side
    13,345,253.64x = 133,218,587,721,082.41
  5. Step 5: Solve for x
    x = 133,218,587,721,082.41/13,345,253.64
  6. Step 6: Final answer
    x = 9,982,469.52

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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.