Home / 8,066,186.10-12,099,279.15-7,184,387.70

Finding the Fourth Proportional to 8,066,186.10, 12,099,279.15 and 7,184,387.70

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Solution

The fourth proportional to 8,066,186.10, 12,099,279.15 and 7,184,387.70 is: 10,776,581.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,066,186.10 : 12,099,279.15 = 7,184,387.70 : x
  2. Step 2: Convert to fraction form
    8,066,186.10/12,099,279.15 = 7,184,387.70/x
  3. Step 3: Cross multiply
    8,066,186.10x = 12,099,279.15 × 7,184,387.70
  4. Step 4: Simplify right side
    8,066,186.10x = 86,925,912,304,126.45
  5. Step 5: Solve for x
    x = 86,925,912,304,126.45/8,066,186.10
  6. Step 6: Final answer
    x = 10,776,581.55

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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.