Home / 21,550,278.61-29,740,014.98-11,761,350.65

Finding the Fourth Proportional to 21,550,278.61, 29,740,014.98 and 11,761,350.65

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Solution

The fourth proportional to 21,550,278.61, 29,740,014.98 and 11,761,350.65 is: 16,231,008.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,550,278.61 : 29,740,014.98 = 11,761,350.65 : x
  2. Step 2: Convert to fraction form
    21,550,278.61/29,740,014.98 = 11,761,350.65/x
  3. Step 3: Cross multiply
    21,550,278.61x = 29,740,014.98 × 11,761,350.65
  4. Step 4: Simplify right side
    21,550,278.61x = 349,782,744,516,032.75
  5. Step 5: Solve for x
    x = 349,782,744,516,032.75/21,550,278.61
  6. Step 6: Final answer
    x = 16,231,008.00

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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.