Home / 7,778,749.90-11,668,124.85-2,098,965.10

Finding the Fourth Proportional to 7,778,749.90, 11,668,124.85 and 2,098,965.10

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Solution

The fourth proportional to 7,778,749.90, 11,668,124.85 and 2,098,965.10 is: 3,148,447.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,778,749.90 : 11,668,124.85 = 2,098,965.10 : x
  2. Step 2: Convert to fraction form
    7,778,749.90/11,668,124.85 = 2,098,965.10/x
  3. Step 3: Cross multiply
    7,778,749.90x = 11,668,124.85 × 2,098,965.10
  4. Step 4: Simplify right side
    7,778,749.90x = 24,490,986,842,592.73
  5. Step 5: Solve for x
    x = 24,490,986,842,592.73/7,778,749.90
  6. Step 6: Final answer
    x = 3,148,447.65

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Double scale
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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.