Home / 10,659,027.60-15,988,541.40-7,257,805.20

Finding the Fourth Proportional to 10,659,027.60, 15,988,541.40 and 7,257,805.20

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Solution

The fourth proportional to 10,659,027.60, 15,988,541.40 and 7,257,805.20 is: 10,886,707.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,659,027.60 : 15,988,541.40 = 7,257,805.20 : x
  2. Step 2: Convert to fraction form
    10,659,027.60/15,988,541.40 = 7,257,805.20/x
  3. Step 3: Cross multiply
    10,659,027.60x = 15,988,541.40 × 7,257,805.20
  4. Step 4: Simplify right side
    10,659,027.60x = 116,041,718,913,335.28
  5. Step 5: Solve for x
    x = 116,041,718,913,335.28/10,659,027.60
  6. Step 6: Final answer
    x = 10,886,707.80

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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.