Home / 27,611,421.18-38,103,876.32-15,221,242.41

Finding the Fourth Proportional to 27,611,421.18, 38,103,876.32 and 15,221,242.41

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Solution

The fourth proportional to 27,611,421.18, 38,103,876.32 and 15,221,242.41 is: 21,005,377.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,611,421.18 : 38,103,876.32 = 15,221,242.41 : x
  2. Step 2: Convert to fraction form
    27,611,421.18/38,103,876.32 = 15,221,242.41/x
  3. Step 3: Cross multiply
    27,611,421.18x = 38,103,876.32 × 15,221,242.41
  4. Step 4: Simplify right side
    27,611,421.18x = 579,988,338,151,272.50
  5. Step 5: Solve for x
    x = 579,988,338,151,272.50/27,611,421.18
  6. Step 6: Final answer
    x = 21,005,377.97

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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.