Home / 8,428,581.55-11,630,191.30-5,119,153.62

Finding the Fourth Proportional to 8,428,581.55, 11,630,191.30 and 5,119,153.62

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Solution

The fourth proportional to 8,428,581.55, 11,630,191.30 and 5,119,153.62 is: 7,063,672.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,428,581.55 : 11,630,191.30 = 5,119,153.62 : x
  2. Step 2: Convert to fraction form
    8,428,581.55/11,630,191.30 = 5,119,153.62/x
  3. Step 3: Cross multiply
    8,428,581.55x = 11,630,191.30 × 5,119,153.62
  4. Step 4: Simplify right side
    8,428,581.55x = 59,536,735,894,687.51
  5. Step 5: Solve for x
    x = 59,536,735,894,687.51/8,428,581.55
  6. Step 6: Final answer
    x = 7,063,672.05

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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.