Home / 20,694,849-31,047,081.52-7,048,113.90

Finding the Fourth Proportional to 20,694,849, 31,047,081.52 and 7,048,113.90

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Solution

The fourth proportional to 20,694,849, 31,047,081.52 and 7,048,113.90 is: 10,573,808.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,694,849 : 31,047,081.52 = 7,048,113.90 : x
  2. Step 2: Convert to fraction form
    20,694,849/31,047,081.52 = 7,048,113.90/x
  3. Step 3: Cross multiply
    20,694,849x = 31,047,081.52 × 7,048,113.90
  4. Step 4: Simplify right side
    20,694,849x = 218,823,366,815,545.12
  5. Step 5: Solve for x
    x = 218,823,366,815,545.12/20,694,849
  6. Step 6: Final answer
    x = 10,573,808.33

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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.