Home / 7,154,221.16-10,731,337.80-1,762,872.32

Finding the Fourth Proportional to 7,154,221.16, 10,731,337.80 and 1,762,872.32

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Solution

The fourth proportional to 7,154,221.16, 10,731,337.80 and 1,762,872.32 is: 2,644,309.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,154,221.16 : 10,731,337.80 = 1,762,872.32 : x
  2. Step 2: Convert to fraction form
    7,154,221.16/10,731,337.80 = 1,762,872.32/x
  3. Step 3: Cross multiply
    7,154,221.16x = 10,731,337.80 × 1,762,872.32
  4. Step 4: Simplify right side
    7,154,221.16x = 18,917,978,364,189.70
  5. Step 5: Solve for x
    x = 18,917,978,364,189.70/7,154,221.16
  6. Step 6: Final answer
    x = 2,644,309.97

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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.