Home / 13,053,351.37-18,012,568.80-7,547,079.50

Finding the Fourth Proportional to 13,053,351.37, 18,012,568.80 and 7,547,079.50

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Solution

The fourth proportional to 13,053,351.37, 18,012,568.80 and 7,547,079.50 is: 10,414,359.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,053,351.37 : 18,012,568.80 = 7,547,079.50 : x
  2. Step 2: Convert to fraction form
    13,053,351.37/18,012,568.80 = 7,547,079.50/x
  3. Step 3: Cross multiply
    13,053,351.37x = 18,012,568.80 × 7,547,079.50
  4. Step 4: Simplify right side
    13,053,351.37x = 135,942,288,732,819.61
  5. Step 5: Solve for x
    x = 135,942,288,732,819.61/13,053,351.37
  6. Step 6: Final answer
    x = 10,414,359.11

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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.