Home / 28,084,186.40-42,126,279.60-25,894,464.80

Finding the Fourth Proportional to 28,084,186.40, 42,126,279.60 and 25,894,464.80

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Solution

The fourth proportional to 28,084,186.40, 42,126,279.60 and 25,894,464.80 is: 38,841,697.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,084,186.40 : 42,126,279.60 = 25,894,464.80 : x
  2. Step 2: Convert to fraction form
    28,084,186.40/42,126,279.60 = 25,894,464.80/x
  3. Step 3: Cross multiply
    28,084,186.40x = 42,126,279.60 × 25,894,464.80
  4. Step 4: Simplify right side
    28,084,186.40x = 1,090,837,464,257,158.12
  5. Step 5: Solve for x
    x = 1,090,837,464,257,158.12/28,084,186.40
  6. Step 6: Final answer
    x = 38,841,697.20

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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.