Home / 12,126,064.86-16,729,995.47-8,641,952.46

Finding the Fourth Proportional to 12,126,064.86, 16,729,995.47 and 8,641,952.46

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Solution

The fourth proportional to 12,126,064.86, 16,729,995.47 and 8,641,952.46 is: 11,923,062.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,126,064.86 : 16,729,995.47 = 8,641,952.46 : x
  2. Step 2: Convert to fraction form
    12,126,064.86/16,729,995.47 = 8,641,952.46/x
  3. Step 3: Cross multiply
    12,126,064.86x = 16,729,995.47 × 8,641,952.46
  4. Step 4: Simplify right side
    12,126,064.86x = 144,579,825,464,545.59
  5. Step 5: Solve for x
    x = 144,579,825,464,545.59/12,126,064.86
  6. Step 6: Final answer
    x = 11,923,062.19

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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.