Home / 10,979,965.80-16,458,138.90-4,153,901.40

Finding the Fourth Proportional to 10,979,965.80, 16,458,138.90 and 4,153,901.40

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Solution

The fourth proportional to 10,979,965.80, 16,458,138.90 and 4,153,901.40 is: 6,226,384.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,979,965.80 : 16,458,138.90 = 4,153,901.40 : x
  2. Step 2: Convert to fraction form
    10,979,965.80/16,458,138.90 = 4,153,901.40/x
  3. Step 3: Cross multiply
    10,979,965.80x = 16,458,138.90 × 4,153,901.40
  4. Step 4: Simplify right side
    10,979,965.80x = 68,365,486,218,104.46
  5. Step 5: Solve for x
    x = 68,365,486,218,104.46/10,979,965.80
  6. Step 6: Final answer
    x = 6,226,384.26

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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.