Home / 18,815,999.10-28,223,998.65-18,683,288.70

Finding the Fourth Proportional to 18,815,999.10, 28,223,998.65 and 18,683,288.70

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Solution

The fourth proportional to 18,815,999.10, 28,223,998.65 and 18,683,288.70 is: 28,024,933.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,815,999.10 : 28,223,998.65 = 18,683,288.70 : x
  2. Step 2: Convert to fraction form
    18,815,999.10/28,223,998.65 = 18,683,288.70/x
  3. Step 3: Cross multiply
    18,815,999.10x = 28,223,998.65 × 18,683,288.70
  4. Step 4: Simplify right side
    18,815,999.10x = 527,317,115,046,360.19
  5. Step 5: Solve for x
    x = 527,317,115,046,360.19/18,815,999.10
  6. Step 6: Final answer
    x = 28,024,933.05

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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.