Home / 8,935,009.70-13,402,514.55-7,446,974.90

Finding the Fourth Proportional to 8,935,009.70, 13,402,514.55 and 7,446,974.90

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Solution

The fourth proportional to 8,935,009.70, 13,402,514.55 and 7,446,974.90 is: 11,170,462.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,935,009.70 : 13,402,514.55 = 7,446,974.90 : x
  2. Step 2: Convert to fraction form
    8,935,009.70/13,402,514.55 = 7,446,974.90/x
  3. Step 3: Cross multiply
    8,935,009.70x = 13,402,514.55 × 7,446,974.90
  4. Step 4: Simplify right side
    8,935,009.70x = 99,808,189,450,734.81
  5. Step 5: Solve for x
    x = 99,808,189,450,734.81/8,935,009.70
  6. Step 6: Final answer
    x = 11,170,462.35

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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.