Home / 18,706,499.80-28,053,917.70-7,350,429.40

Finding the Fourth Proportional to 18,706,499.80, 28,053,917.70 and 7,350,429.40

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Solution

The fourth proportional to 18,706,499.80, 28,053,917.70 and 7,350,429.40 is: 11,023,352.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,706,499.80 : 28,053,917.70 = 7,350,429.40 : x
  2. Step 2: Convert to fraction form
    18,706,499.80/28,053,917.70 = 7,350,429.40/x
  3. Step 3: Cross multiply
    18,706,499.80x = 28,053,917.70 × 7,350,429.40
  4. Step 4: Simplify right side
    18,706,499.80x = 206,208,341,447,260.38
  5. Step 5: Solve for x
    x = 206,208,341,447,260.38/18,706,499.80
  6. Step 6: Final answer
    x = 11,023,352.51

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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.