Home / 7,778,749.40-11,668,124.10-2,098,964.60

Finding the Fourth Proportional to 7,778,749.40, 11,668,124.10 and 2,098,964.60

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Solution

The fourth proportional to 7,778,749.40, 11,668,124.10 and 2,098,964.60 is: 3,148,446.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,778,749.40 : 11,668,124.10 = 2,098,964.60 : x
  2. Step 2: Convert to fraction form
    7,778,749.40/11,668,124.10 = 2,098,964.60/x
  3. Step 3: Cross multiply
    7,778,749.40x = 11,668,124.10 × 2,098,964.60
  4. Step 4: Simplify right side
    7,778,749.40x = 24,490,979,434,306.86
  5. Step 5: Solve for x
    x = 24,490,979,434,306.86/7,778,749.40
  6. Step 6: Final answer
    x = 3,148,446.90

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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.