Home / 19,810,830.80-29,716,246.20-14,390,132.60

Finding the Fourth Proportional to 19,810,830.80, 29,716,246.20 and 14,390,132.60

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Solution

The fourth proportional to 19,810,830.80, 29,716,246.20 and 14,390,132.60 is: 21,585,198.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,810,830.80 : 29,716,246.20 = 14,390,132.60 : x
  2. Step 2: Convert to fraction form
    19,810,830.80/29,716,246.20 = 14,390,132.60/x
  3. Step 3: Cross multiply
    19,810,830.80x = 29,716,246.20 × 14,390,132.60
  4. Step 4: Simplify right side
    19,810,830.80x = 427,620,723,192,246.12
  5. Step 5: Solve for x
    x = 427,620,723,192,246.12/19,810,830.80
  6. Step 6: Final answer
    x = 21,585,198.90

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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.