Home / 28,153,655.20-42,230,482.80-25,634,231.20

Finding the Fourth Proportional to 28,153,655.20, 42,230,482.80 and 25,634,231.20

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Solution

The fourth proportional to 28,153,655.20, 42,230,482.80 and 25,634,231.20 is: 38,451,346.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,153,655.20 : 42,230,482.80 = 25,634,231.20 : x
  2. Step 2: Convert to fraction form
    28,153,655.20/42,230,482.80 = 25,634,231.20/x
  3. Step 3: Cross multiply
    28,153,655.20x = 42,230,482.80 × 25,634,231.20
  4. Step 4: Simplify right side
    28,153,655.20x = 1,082,545,959,782,823.25
  5. Step 5: Solve for x
    x = 1,082,545,959,782,823.25/28,153,655.20
  6. Step 6: Final answer
    x = 38,451,346.80

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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.