Home / 13,709,865.55-18,887,816.99-9,573,344.71

Finding the Fourth Proportional to 13,709,865.55, 18,887,816.99 and 9,573,344.71

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Solution

The fourth proportional to 13,709,865.55, 18,887,816.99 and 9,573,344.71 is: 13,189,012.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,709,865.55 : 18,887,816.99 = 9,573,344.71 : x
  2. Step 2: Convert to fraction form
    13,709,865.55/18,887,816.99 = 9,573,344.71/x
  3. Step 3: Cross multiply
    13,709,865.55x = 18,887,816.99 × 9,573,344.71
  4. Step 4: Simplify right side
    13,709,865.55x = 180,819,582,762,290.75
  5. Step 5: Solve for x
    x = 180,819,582,762,290.75/13,709,865.55
  6. Step 6: Final answer
    x = 13,189,012.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.