Home / 13,053,445.80-18,012,698.88-7,547,173.92

Finding the Fourth Proportional to 13,053,445.80, 18,012,698.88 and 7,547,173.92

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Solution

The fourth proportional to 13,053,445.80, 18,012,698.88 and 7,547,173.92 is: 10,414,489.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,053,445.80 : 18,012,698.88 = 7,547,173.92 : x
  2. Step 2: Convert to fraction form
    13,053,445.80/18,012,698.88 = 7,547,173.92/x
  3. Step 3: Cross multiply
    13,053,445.80x = 18,012,698.88 × 7,547,173.92
  4. Step 4: Simplify right side
    13,053,445.80x = 135,944,971,215,949.20
  5. Step 5: Solve for x
    x = 135,944,971,215,949.20/13,053,445.80
  6. Step 6: Final answer
    x = 10,414,489.27

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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.