Home / 21,777,752.95-30,053,681.29-11,854,920.96

Finding the Fourth Proportional to 21,777,752.95, 30,053,681.29 and 11,854,920.96

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Solution

The fourth proportional to 21,777,752.95, 30,053,681.29 and 11,854,920.96 is: 16,359,998.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,777,752.95 : 30,053,681.29 = 11,854,920.96 : x
  2. Step 2: Convert to fraction form
    21,777,752.95/30,053,681.29 = 11,854,920.96/x
  3. Step 3: Cross multiply
    21,777,752.95x = 30,053,681.29 × 11,854,920.96
  4. Step 4: Simplify right side
    21,777,752.95x = 356,284,016,290,386.94
  5. Step 5: Solve for x
    x = 356,284,016,290,386.94/21,777,752.95
  6. Step 6: Final answer
    x = 16,359,998.99

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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.