Home / 18,534,079.80-27,819,782.10-8,957,158.20

Finding the Fourth Proportional to 18,534,079.80, 27,819,782.10 and 8,957,158.20

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Solution

The fourth proportional to 18,534,079.80, 27,819,782.10 and 8,957,158.20 is: 13,444,756.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,534,079.80 : 27,819,782.10 = 8,957,158.20 : x
  2. Step 2: Convert to fraction form
    18,534,079.80/27,819,782.10 = 8,957,158.20/x
  3. Step 3: Cross multiply
    18,534,079.80x = 27,819,782.10 × 8,957,158.20
  4. Step 4: Simplify right side
    18,534,079.80x = 249,186,189,359,228.22
  5. Step 5: Solve for x
    x = 249,186,189,359,228.22/18,534,079.80
  6. Step 6: Final answer
    x = 13,444,756.47

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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.