Home / 13,052,106.79-18,013,568.06-7,895,505.24

Finding the Fourth Proportional to 13,052,106.79, 18,013,568.06 and 7,895,505.24

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Solution

The fourth proportional to 13,052,106.79, 18,013,568.06 and 7,895,505.24 is: 10,896,801.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,052,106.79 : 18,013,568.06 = 7,895,505.24 : x
  2. Step 2: Convert to fraction form
    13,052,106.79/18,013,568.06 = 7,895,505.24/x
  3. Step 3: Cross multiply
    13,052,106.79x = 18,013,568.06 × 7,895,505.24
  4. Step 4: Simplify right side
    13,052,106.79x = 142,226,221,028,565.41
  5. Step 5: Solve for x
    x = 142,226,221,028,565.41/13,052,106.79
  6. Step 6: Final answer
    x = 10,896,801.82

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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.