Home / 10,347,761.80-15,521,642.70-10,135,185.40

Finding the Fourth Proportional to 10,347,761.80, 15,521,642.70 and 10,135,185.40

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Solution

The fourth proportional to 10,347,761.80, 15,521,642.70 and 10,135,185.40 is: 15,202,778.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,347,761.80 : 15,521,642.70 = 10,135,185.40 : x
  2. Step 2: Convert to fraction form
    10,347,761.80/15,521,642.70 = 10,135,185.40/x
  3. Step 3: Cross multiply
    10,347,761.80x = 15,521,642.70 × 10,135,185.40
  4. Step 4: Simplify right side
    10,347,761.80x = 157,314,726,477,056.59
  5. Step 5: Solve for x
    x = 157,314,726,477,056.59/10,347,761.80
  6. Step 6: Final answer
    x = 15,202,778.10

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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.