Home / 30,588,843.92-42,213,534.35-21,663,943.29

Finding the Fourth Proportional to 30,588,843.92, 42,213,534.35 and 21,663,943.29

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Solution

The fourth proportional to 30,588,843.92, 42,213,534.35 and 21,663,943.29 is: 29,896,900.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,588,843.92 : 42,213,534.35 = 21,663,943.29 : x
  2. Step 2: Convert to fraction form
    30,588,843.92/42,213,534.35 = 21,663,943.29/x
  3. Step 3: Cross multiply
    30,588,843.92x = 42,213,534.35 × 21,663,943.29
  4. Step 4: Simplify right side
    30,588,843.92x = 914,511,614,120,547.25
  5. Step 5: Solve for x
    x = 914,511,614,120,547.25/30,588,843.92
  6. Step 6: Final answer
    x = 29,896,900.21

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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.