Home / 38,412,121.80-57,478,214.70-28,334,425.80

Finding the Fourth Proportional to 38,412,121.80, 57,478,214.70 and 28,334,425.80

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Solution

The fourth proportional to 38,412,121.80, 57,478,214.70 and 28,334,425.80 is: 42,398,392.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,412,121.80 : 57,478,214.70 = 28,334,425.80 : x
  2. Step 2: Convert to fraction form
    38,412,121.80/57,478,214.70 = 28,334,425.80/x
  3. Step 3: Cross multiply
    38,412,121.80x = 57,478,214.70 × 28,334,425.80
  4. Step 4: Simplify right side
    38,412,121.80x = 1,628,612,209,533,619.50
  5. Step 5: Solve for x
    x = 1,628,612,209,533,619.50/38,412,121.80
  6. Step 6: Final answer
    x = 42,398,392.31

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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.