Home / 10,366,590.30-15,549,885.45-7,138,086.23

Finding the Fourth Proportional to 10,366,590.30, 15,549,885.45 and 7,138,086.23

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Solution

The fourth proportional to 10,366,590.30, 15,549,885.45 and 7,138,086.23 is: 10,707,129.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366,590.30 : 15,549,885.45 = 7,138,086.23 : x
  2. Step 2: Convert to fraction form
    10,366,590.30/15,549,885.45 = 7,138,086.23/x
  3. Step 3: Cross multiply
    10,366,590.30x = 15,549,885.45 × 7,138,086.23
  4. Step 4: Simplify right side
    10,366,590.30x = 110,996,423,130,972.92
  5. Step 5: Solve for x
    x = 110,996,423,130,972.92/10,366,590.30
  6. Step 6: Final answer
    x = 10,707,129.34

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Double scale
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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.