Home / 14,276,839.40-21,371,519.10-7,867,471.40

Finding the Fourth Proportional to 14,276,839.40, 21,371,519.10 and 7,867,471.40

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Solution

The fourth proportional to 14,276,839.40, 21,371,519.10 and 7,867,471.40 is: 11,777,103.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,276,839.40 : 21,371,519.10 = 7,867,471.40 : x
  2. Step 2: Convert to fraction form
    14,276,839.40/21,371,519.10 = 7,867,471.40/x
  3. Step 3: Cross multiply
    14,276,839.40x = 21,371,519.10 × 7,867,471.40
  4. Step 4: Simplify right side
    14,276,839.40x = 168,139,815,293,803.75
  5. Step 5: Solve for x
    x = 168,139,815,293,803.75/14,276,839.40
  6. Step 6: Final answer
    x = 11,777,103.50

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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.