Home / 10,979,966.80-16,458,140.40-4,153,902.40

Finding the Fourth Proportional to 10,979,966.80, 16,458,140.40 and 4,153,902.40

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Solution

The fourth proportional to 10,979,966.80, 16,458,140.40 and 4,153,902.40 is: 6,226,385.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,979,966.80 : 16,458,140.40 = 4,153,902.40 : x
  2. Step 2: Convert to fraction form
    10,979,966.80/16,458,140.40 = 4,153,902.40/x
  3. Step 3: Cross multiply
    10,979,966.80x = 16,458,140.40 × 4,153,902.40
  4. Step 4: Simplify right side
    10,979,966.80x = 68,365,508,907,096.96
  5. Step 5: Solve for x
    x = 68,365,508,907,096.96/10,979,966.80
  6. Step 6: Final answer
    x = 6,226,385.76

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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.