Home / 49,209,930.80-73,814,507.40-12,818,250.80

Finding the Fourth Proportional to 49,209,930.80, 73,814,507.40 and 12,818,250.80

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Solution

The fourth proportional to 49,209,930.80, 73,814,507.40 and 12,818,250.80 is: 19,227,274.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,209,930.80 : 73,814,507.40 = 12,818,250.80 : x
  2. Step 2: Convert to fraction form
    49,209,930.80/73,814,507.40 = 12,818,250.80/x
  3. Step 3: Cross multiply
    49,209,930.80x = 73,814,507.40 × 12,818,250.80
  4. Step 4: Simplify right side
    49,209,930.80x = 946,172,868,531,656
  5. Step 5: Solve for x
    x = 946,172,868,531,656/49,209,930.80
  6. Step 6: Final answer
    x = 19,227,274.92

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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.