Home / 17,913,789.60-26,874,183.60-7,129,255.20

Finding the Fourth Proportional to 17,913,789.60, 26,874,183.60 and 7,129,255.20

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Solution

The fourth proportional to 17,913,789.60, 26,874,183.60 and 7,129,255.20 is: 10,695,275.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,913,789.60 : 26,874,183.60 = 7,129,255.20 : x
  2. Step 2: Convert to fraction form
    17,913,789.60/26,874,183.60 = 7,129,255.20/x
  3. Step 3: Cross multiply
    17,913,789.60x = 26,874,183.60 × 7,129,255.20
  4. Step 4: Simplify right side
    17,913,789.60x = 191,592,913,176,054.75
  5. Step 5: Solve for x
    x = 191,592,913,176,054.75/17,913,789.60
  6. Step 6: Final answer
    x = 10,695,275.40

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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.