Home / 18,702,373.80-28,053,560.70-17,302,693.80

Finding the Fourth Proportional to 18,702,373.80, 28,053,560.70 and 17,302,693.80

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Solution

The fourth proportional to 18,702,373.80, 28,053,560.70 and 17,302,693.80 is: 25,954,040.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,702,373.80 : 28,053,560.70 = 17,302,693.80 : x
  2. Step 2: Convert to fraction form
    18,702,373.80/28,053,560.70 = 17,302,693.80/x
  3. Step 3: Cross multiply
    18,702,373.80x = 28,053,560.70 × 17,302,693.80
  4. Step 4: Simplify right side
    18,702,373.80x = 485,402,170,791,813.69
  5. Step 5: Solve for x
    x = 485,402,170,791,813.69/18,702,373.80
  6. Step 6: Final answer
    x = 25,954,040.70

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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.