Home / 21,557,884.59-29,674,369.44-18,799,705.80

Finding the Fourth Proportional to 21,557,884.59, 29,674,369.44 and 18,799,705.80

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Solution

The fourth proportional to 21,557,884.59, 29,674,369.44 and 18,799,705.80 is: 25,877,743.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,557,884.59 : 29,674,369.44 = 18,799,705.80 : x
  2. Step 2: Convert to fraction form
    21,557,884.59/29,674,369.44 = 18,799,705.80/x
  3. Step 3: Cross multiply
    21,557,884.59x = 29,674,369.44 × 18,799,705.80
  4. Step 4: Simplify right side
    21,557,884.59x = 557,869,415,272,510.81
  5. Step 5: Solve for x
    x = 557,869,415,272,510.81/21,557,884.59
  6. Step 6: Final answer
    x = 25,877,743.85

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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.