Home / 15,532,939.33-21,435,479.90-8,657,273.77

Finding the Fourth Proportional to 15,532,939.33, 21,435,479.90 and 8,657,273.77

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Solution

The fourth proportional to 15,532,939.33, 21,435,479.90 and 8,657,273.77 is: 11,947,050.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,532,939.33 : 21,435,479.90 = 8,657,273.77 : x
  2. Step 2: Convert to fraction form
    15,532,939.33/21,435,479.90 = 8,657,273.77/x
  3. Step 3: Cross multiply
    15,532,939.33x = 21,435,479.90 × 8,657,273.77
  4. Step 4: Simplify right side
    15,532,939.33x = 185,572,817,842,345.84
  5. Step 5: Solve for x
    x = 185,572,817,842,345.84/15,532,939.33
  6. Step 6: Final answer
    x = 11,947,050.97

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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.