Home / 25,812,115.75-38,717,911.16-6,642,798.31

Finding the Fourth Proportional to 25,812,115.75, 38,717,911.16 and 6,642,798.31

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Solution

The fourth proportional to 25,812,115.75, 38,717,911.16 and 6,642,798.31 is: 9,964,129.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,812,115.75 : 38,717,911.16 = 6,642,798.31 : x
  2. Step 2: Convert to fraction form
    25,812,115.75/38,717,911.16 = 6,642,798.31/x
  3. Step 3: Cross multiply
    25,812,115.75x = 38,717,911.16 × 6,642,798.31
  4. Step 4: Simplify right side
    25,812,115.75x = 257,195,274,820,378.09
  5. Step 5: Solve for x
    x = 257,195,274,820,378.09/25,812,115.75
  6. Step 6: Final answer
    x = 9,964,129.92

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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.