Home / 10,780,693.80-16,171,040.70-10,568,117.40

Finding the Fourth Proportional to 10,780,693.80, 16,171,040.70 and 10,568,117.40

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Solution

The fourth proportional to 10,780,693.80, 16,171,040.70 and 10,568,117.40 is: 15,852,176.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,780,693.80 : 16,171,040.70 = 10,568,117.40 : x
  2. Step 2: Convert to fraction form
    10,780,693.80/16,171,040.70 = 10,568,117.40/x
  3. Step 3: Cross multiply
    10,780,693.80x = 16,171,040.70 × 10,568,117.40
  4. Step 4: Simplify right side
    10,780,693.80x = 170,897,456,597,778.19
  5. Step 5: Solve for x
    x = 170,897,456,597,778.19/10,780,693.80
  6. Step 6: Final answer
    x = 15,852,176.10

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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.