Home / 12,294,064.80-18,441,097.20-11,939,770.80

Finding the Fourth Proportional to 12,294,064.80, 18,441,097.20 and 11,939,770.80

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Solution

The fourth proportional to 12,294,064.80, 18,441,097.20 and 11,939,770.80 is: 17,909,656.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,294,064.80 : 18,441,097.20 = 11,939,770.80 : x
  2. Step 2: Convert to fraction form
    12,294,064.80/18,441,097.20 = 11,939,770.80/x
  3. Step 3: Cross multiply
    12,294,064.80x = 18,441,097.20 × 11,939,770.80
  4. Step 4: Simplify right side
    12,294,064.80x = 220,182,473,868,521.75
  5. Step 5: Solve for x
    x = 220,182,473,868,521.75/12,294,064.80
  6. Step 6: Final answer
    x = 17,909,656.20

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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.