Home / 7,461,138.10-11,191,707.15-7,335,166.90

Finding the Fourth Proportional to 7,461,138.10, 11,191,707.15 and 7,335,166.90

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Solution

The fourth proportional to 7,461,138.10, 11,191,707.15 and 7,335,166.90 is: 11,002,750.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,461,138.10 : 11,191,707.15 = 7,335,166.90 : x
  2. Step 2: Convert to fraction form
    7,461,138.10/11,191,707.15 = 7,335,166.90/x
  3. Step 3: Cross multiply
    7,461,138.10x = 11,191,707.15 × 7,335,166.90
  4. Step 4: Simplify right side
    7,461,138.10x = 82,093,039,841,173.34
  5. Step 5: Solve for x
    x = 82,093,039,841,173.34/7,461,138.10
  6. Step 6: Final answer
    x = 11,002,750.35

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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.