Home / 10,173,736.80-15,278,319.90-5,390,767.80

Finding the Fourth Proportional to 10,173,736.80, 15,278,319.90 and 5,390,767.80

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Solution

The fourth proportional to 10,173,736.80, 15,278,319.90 and 5,390,767.80 is: 8,095,538.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,173,736.80 : 15,278,319.90 = 5,390,767.80 : x
  2. Step 2: Convert to fraction form
    10,173,736.80/15,278,319.90 = 5,390,767.80/x
  3. Step 3: Cross multiply
    10,173,736.80x = 15,278,319.90 × 5,390,767.80
  4. Step 4: Simplify right side
    10,173,736.80x = 82,361,874,955,019.22
  5. Step 5: Solve for x
    x = 82,361,874,955,019.22/10,173,736.80
  6. Step 6: Final answer
    x = 8,095,538.21

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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.