Home / 20,178,053.80-30,267,080.70-9,944,862.10

Finding the Fourth Proportional to 20,178,053.80, 30,267,080.70 and 9,944,862.10

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Solution

The fourth proportional to 20,178,053.80, 30,267,080.70 and 9,944,862.10 is: 14,917,293.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,178,053.80 : 30,267,080.70 = 9,944,862.10 : x
  2. Step 2: Convert to fraction form
    20,178,053.80/30,267,080.70 = 9,944,862.10/x
  3. Step 3: Cross multiply
    20,178,053.80x = 30,267,080.70 × 9,944,862.10
  4. Step 4: Simplify right side
    20,178,053.80x = 301,001,943,731,071.44
  5. Step 5: Solve for x
    x = 301,001,943,731,071.44/20,178,053.80
  6. Step 6: Final answer
    x = 14,917,293.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.