Home / 13,053,432.96-18,012,680.10-7,547,161.44

Finding the Fourth Proportional to 13,053,432.96, 18,012,680.10 and 7,547,161.44

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Solution

The fourth proportional to 13,053,432.96, 18,012,680.10 and 7,547,161.44 is: 10,414,471.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,053,432.96 : 18,012,680.10 = 7,547,161.44 : x
  2. Step 2: Convert to fraction form
    13,053,432.96/18,012,680.10 = 7,547,161.44/x
  3. Step 3: Cross multiply
    13,053,432.96x = 18,012,680.10 × 7,547,161.44
  4. Step 4: Simplify right side
    13,053,432.96x = 135,944,604,681,775.36
  5. Step 5: Solve for x
    x = 135,944,604,681,775.36/13,053,432.96
  6. Step 6: Final answer
    x = 10,414,471.43

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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.