Home / 14,681,944.20-21,979,370.70-10,912,139.40

Finding the Fourth Proportional to 14,681,944.20, 21,979,370.70 and 10,912,139.40

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Solution

The fourth proportional to 14,681,944.20, 21,979,370.70 and 10,912,139.40 is: 16,335,844.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,681,944.20 : 21,979,370.70 = 10,912,139.40 : x
  2. Step 2: Convert to fraction form
    14,681,944.20/21,979,370.70 = 10,912,139.40/x
  3. Step 3: Cross multiply
    14,681,944.20x = 21,979,370.70 × 10,912,139.40
  4. Step 4: Simplify right side
    14,681,944.20x = 239,841,957,002,675.59
  5. Step 5: Solve for x
    x = 239,841,957,002,675.59/14,681,944.20
  6. Step 6: Final answer
    x = 16,335,844.47

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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.