Home / 20,208,542.60-30,312,813.90-15,673,579.40

Finding the Fourth Proportional to 20,208,542.60, 30,312,813.90 and 15,673,579.40

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Solution

The fourth proportional to 20,208,542.60, 30,312,813.90 and 15,673,579.40 is: 23,510,369.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,208,542.60 : 30,312,813.90 = 15,673,579.40 : x
  2. Step 2: Convert to fraction form
    20,208,542.60/30,312,813.90 = 15,673,579.40/x
  3. Step 3: Cross multiply
    20,208,542.60x = 30,312,813.90 × 15,673,579.40
  4. Step 4: Simplify right side
    20,208,542.60x = 475,110,295,499,073.62
  5. Step 5: Solve for x
    x = 475,110,295,499,073.62/20,208,542.60
  6. Step 6: Final answer
    x = 23,510,369.10

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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.