Home / 17,387,853.90-26,081,780.85-10,921,332.30

Finding the Fourth Proportional to 17,387,853.90, 26,081,780.85 and 10,921,332.30

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Solution

The fourth proportional to 17,387,853.90, 26,081,780.85 and 10,921,332.30 is: 16,381,998.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,387,853.90 : 26,081,780.85 = 10,921,332.30 : x
  2. Step 2: Convert to fraction form
    17,387,853.90/26,081,780.85 = 10,921,332.30/x
  3. Step 3: Cross multiply
    17,387,853.90x = 26,081,780.85 × 10,921,332.30
  4. Step 4: Simplify right side
    17,387,853.90x = 284,847,795,638,626.50
  5. Step 5: Solve for x
    x = 284,847,795,638,626.50/17,387,853.90
  6. Step 6: Final answer
    x = 16,381,998.45

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Double scale
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Similar ratio
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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.