Home / 20,674,909.62-31,012,362.45-5,528,447.46

Finding the Fourth Proportional to 20,674,909.62, 31,012,362.45 and 5,528,447.46

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Solution

The fourth proportional to 20,674,909.62, 31,012,362.45 and 5,528,447.46 is: 8,292,670.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,674,909.62 : 31,012,362.45 = 5,528,447.46 : x
  2. Step 2: Convert to fraction form
    20,674,909.62/31,012,362.45 = 5,528,447.46/x
  3. Step 3: Cross multiply
    20,674,909.62x = 31,012,362.45 × 5,528,447.46
  4. Step 4: Simplify right side
    20,674,909.62x = 171,450,216,415,301.88
  5. Step 5: Solve for x
    x = 171,450,216,415,301.88/20,674,909.62
  6. Step 6: Final answer
    x = 8,292,670.66

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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.