Home / 20,449,666.40-30,674,499.60-6,074,952.80

Finding the Fourth Proportional to 20,449,666.40, 30,674,499.60 and 6,074,952.80

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Solution

The fourth proportional to 20,449,666.40, 30,674,499.60 and 6,074,952.80 is: 9,112,429.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,449,666.40 : 30,674,499.60 = 6,074,952.80 : x
  2. Step 2: Convert to fraction form
    20,449,666.40/30,674,499.60 = 6,074,952.80/x
  3. Step 3: Cross multiply
    20,449,666.40x = 30,674,499.60 × 6,074,952.80
  4. Step 4: Simplify right side
    20,449,666.40x = 186,346,137,233,618.88
  5. Step 5: Solve for x
    x = 186,346,137,233,618.88/20,449,666.40
  6. Step 6: Final answer
    x = 9,112,429.20

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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.