Home / 17,991,357.12-26,985,363.84-5,038,679.52

Finding the Fourth Proportional to 17,991,357.12, 26,985,363.84 and 5,038,679.52

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Solution

The fourth proportional to 17,991,357.12, 26,985,363.84 and 5,038,679.52 is: 7,557,551.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,991,357.12 : 26,985,363.84 = 5,038,679.52 : x
  2. Step 2: Convert to fraction form
    17,991,357.12/26,985,363.84 = 5,038,679.52/x
  3. Step 3: Cross multiply
    17,991,357.12x = 26,985,363.84 × 5,038,679.52
  4. Step 4: Simplify right side
    17,991,357.12x = 135,970,600,120,356.55
  5. Step 5: Solve for x
    x = 135,970,600,120,356.55/17,991,357.12
  6. Step 6: Final answer
    x = 7,557,551.06

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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.