Home / 25,920,999.90-38,881,499.85-8,876,007.90

Finding the Fourth Proportional to 25,920,999.90, 38,881,499.85 and 8,876,007.90

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Solution

The fourth proportional to 25,920,999.90, 38,881,499.85 and 8,876,007.90 is: 13,314,011.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,920,999.90 : 38,881,499.85 = 8,876,007.90 : x
  2. Step 2: Convert to fraction form
    25,920,999.90/38,881,499.85 = 8,876,007.90/x
  3. Step 3: Cross multiply
    25,920,999.90x = 38,881,499.85 × 8,876,007.90
  4. Step 4: Simplify right side
    25,920,999.90x = 345,112,499,832,448.81
  5. Step 5: Solve for x
    x = 345,112,499,832,448.81/25,920,999.90
  6. Step 6: Final answer
    x = 13,314,011.85

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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.