Home / 13,619,535.30-20,437,251.75-7,559,352.90

Finding the Fourth Proportional to 13,619,535.30, 20,437,251.75 and 7,559,352.90

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Solution

The fourth proportional to 13,619,535.30, 20,437,251.75 and 7,559,352.90 is: 11,343,441.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,619,535.30 : 20,437,251.75 = 7,559,352.90 : x
  2. Step 2: Convert to fraction form
    13,619,535.30/20,437,251.75 = 7,559,352.90/x
  3. Step 3: Cross multiply
    13,619,535.30x = 20,437,251.75 × 7,559,352.90
  4. Step 4: Simplify right side
    13,619,535.30x = 154,492,398,284,392.59
  5. Step 5: Solve for x
    x = 154,492,398,284,392.59/13,619,535.30
  6. Step 6: Final answer
    x = 11,343,441.23

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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.