Home / 28,307,491.20-42,398,251.20-23,268,643.20

Finding the Fourth Proportional to 28,307,491.20, 42,398,251.20 and 23,268,643.20

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Solution

The fourth proportional to 28,307,491.20, 42,398,251.20 and 23,268,643.20 is: 34,851,190.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,307,491.20 : 42,398,251.20 = 23,268,643.20 : x
  2. Step 2: Convert to fraction form
    28,307,491.20/42,398,251.20 = 23,268,643.20/x
  3. Step 3: Cross multiply
    28,307,491.20x = 42,398,251.20 × 23,268,643.20
  4. Step 4: Simplify right side
    28,307,491.20x = 986,549,779,476,771.88
  5. Step 5: Solve for x
    x = 986,549,779,476,771.88/28,307,491.20
  6. Step 6: Final answer
    x = 34,851,190.89

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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.