Home / 20,358,470.04-28,085,324.25-18,037,731.33

Finding the Fourth Proportional to 20,358,470.04, 28,085,324.25 and 18,037,731.33

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Solution

The fourth proportional to 20,358,470.04, 28,085,324.25 and 18,037,731.33 is: 24,883,772.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,358,470.04 : 28,085,324.25 = 18,037,731.33 : x
  2. Step 2: Convert to fraction form
    20,358,470.04/28,085,324.25 = 18,037,731.33/x
  3. Step 3: Cross multiply
    20,358,470.04x = 28,085,324.25 × 18,037,731.33
  4. Step 4: Simplify right side
    20,358,470.04x = 506,595,533,137,433.69
  5. Step 5: Solve for x
    x = 506,595,533,137,433.69/20,358,470.04
  6. Step 6: Final answer
    x = 24,883,772.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.