Home / 7,778,748.90-11,668,123.35-2,098,964.10

Finding the Fourth Proportional to 7,778,748.90, 11,668,123.35 and 2,098,964.10

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Solution

The fourth proportional to 7,778,748.90, 11,668,123.35 and 2,098,964.10 is: 3,148,446.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,778,748.90 : 11,668,123.35 = 2,098,964.10 : x
  2. Step 2: Convert to fraction form
    7,778,748.90/11,668,123.35 = 2,098,964.10/x
  3. Step 3: Cross multiply
    7,778,748.90x = 11,668,123.35 × 2,098,964.10
  4. Step 4: Simplify right side
    7,778,748.90x = 24,490,972,026,021.73
  5. Step 5: Solve for x
    x = 24,490,972,026,021.73/7,778,748.90
  6. Step 6: Final answer
    x = 3,148,446.15

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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.