Home / 21,971,253.67-30,328,177.01-14,996,939.42

Finding the Fourth Proportional to 21,971,253.67, 30,328,177.01 and 14,996,939.42

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Solution

The fourth proportional to 21,971,253.67, 30,328,177.01 and 14,996,939.42 is: 20,701,132.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,971,253.67 : 30,328,177.01 = 14,996,939.42 : x
  2. Step 2: Convert to fraction form
    21,971,253.67/30,328,177.01 = 14,996,939.42/x
  3. Step 3: Cross multiply
    21,971,253.67x = 30,328,177.01 × 14,996,939.42
  4. Step 4: Simplify right side
    21,971,253.67x = 454,829,833,338,842.44
  5. Step 5: Solve for x
    x = 454,829,833,338,842.44/21,971,253.67
  6. Step 6: Final answer
    x = 20,701,132.50

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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.