Home / 20,711,023.87-28,579,895.95-11,418,086.01

Finding the Fourth Proportional to 20,711,023.87, 28,579,895.95 and 11,418,086.01

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Solution

The fourth proportional to 20,711,023.87, 28,579,895.95 and 11,418,086.01 is: 15,756,232.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,711,023.87 : 28,579,895.95 = 11,418,086.01 : x
  2. Step 2: Convert to fraction form
    20,711,023.87/28,579,895.95 = 11,418,086.01/x
  3. Step 3: Cross multiply
    20,711,023.87x = 28,579,895.95 × 11,418,086.01
  4. Step 4: Simplify right side
    20,711,023.87x = 326,327,710,113,950.62
  5. Step 5: Solve for x
    x = 326,327,710,113,950.62/20,711,023.87
  6. Step 6: Final answer
    x = 15,756,232.63

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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.