Home / 7,226,687.86-9,971,910-4,129,411.54

Finding the Fourth Proportional to 7,226,687.86, 9,971,910 and 4,129,411.54

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Solution

The fourth proportional to 7,226,687.86, 9,971,910 and 4,129,411.54 is: 5,698,062.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,226,687.86 : 9,971,910 = 4,129,411.54 : x
  2. Step 2: Convert to fraction form
    7,226,687.86/9,971,910 = 4,129,411.54/x
  3. Step 3: Cross multiply
    7,226,687.86x = 9,971,910 × 4,129,411.54
  4. Step 4: Simplify right side
    7,226,687.86x = 41,178,120,229,841.40
  5. Step 5: Solve for x
    x = 41,178,120,229,841.40/7,226,687.86
  6. Step 6: Final answer
    x = 5,698,062.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.