Home / 10,265,858.76-14,165,402.16-5,682,169.20

Finding the Fourth Proportional to 10,265,858.76, 14,165,402.16 and 5,682,169.20

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Solution

The fourth proportional to 10,265,858.76, 14,165,402.16 and 5,682,169.20 is: 7,840,572.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,265,858.76 : 14,165,402.16 = 5,682,169.20 : x
  2. Step 2: Convert to fraction form
    10,265,858.76/14,165,402.16 = 5,682,169.20/x
  3. Step 3: Cross multiply
    10,265,858.76x = 14,165,402.16 × 5,682,169.20
  4. Step 4: Simplify right side
    10,265,858.76x = 80,490,211,859,165.47
  5. Step 5: Solve for x
    x = 80,490,211,859,165.47/10,265,858.76
  6. Step 6: Final answer
    x = 7,840,572.69

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.