Home / 20,735,999.90-31,103,999.85-9,376,819.10

Finding the Fourth Proportional to 20,735,999.90, 31,103,999.85 and 9,376,819.10

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Solution

The fourth proportional to 20,735,999.90, 31,103,999.85 and 9,376,819.10 is: 14,065,228.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,735,999.90 : 31,103,999.85 = 9,376,819.10 : x
  2. Step 2: Convert to fraction form
    20,735,999.90/31,103,999.85 = 9,376,819.10/x
  3. Step 3: Cross multiply
    20,735,999.90x = 31,103,999.85 × 9,376,819.10
  4. Step 4: Simplify right side
    20,735,999.90x = 291,656,579,879,877.12
  5. Step 5: Solve for x
    x = 291,656,579,879,877.12/20,735,999.90
  6. Step 6: Final answer
    x = 14,065,228.65

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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.