Home / 10,267,577.40-15,382,703.70-8,364,012.60

Finding the Fourth Proportional to 10,267,577.40, 15,382,703.70 and 8,364,012.60

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Solution

The fourth proportional to 10,267,577.40, 15,382,703.70 and 8,364,012.60 is: 12,530,816.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,267,577.40 : 15,382,703.70 = 8,364,012.60 : x
  2. Step 2: Convert to fraction form
    10,267,577.40/15,382,703.70 = 8,364,012.60/x
  3. Step 3: Cross multiply
    10,267,577.40x = 15,382,703.70 × 8,364,012.60
  4. Step 4: Simplify right side
    10,267,577.40x = 128,661,127,568,866.61
  5. Step 5: Solve for x
    x = 128,661,127,568,866.61/10,267,577.40
  6. Step 6: Final answer
    x = 12,530,816.43

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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.