Home / 8,127,840.23-12,194,470.54-5,406,117.57

Finding the Fourth Proportional to 8,127,840.23, 12,194,470.54 and 5,406,117.57

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Solution

The fourth proportional to 8,127,840.23, 12,194,470.54 and 5,406,117.57 is: 8,110,979.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,127,840.23 : 12,194,470.54 = 5,406,117.57 : x
  2. Step 2: Convert to fraction form
    8,127,840.23/12,194,470.54 = 5,406,117.57/x
  3. Step 3: Cross multiply
    8,127,840.23x = 12,194,470.54 × 5,406,117.57
  4. Step 4: Simplify right side
    8,127,840.23x = 65,924,741,443,141.38
  5. Step 5: Solve for x
    x = 65,924,741,443,141.38/8,127,840.23
  6. Step 6: Final answer
    x = 8,110,979.00

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Double scale
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1.5x scale

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.