Home / 25,915,604.76-38,878,131.06-12,968,525.88

Finding the Fourth Proportional to 25,915,604.76, 38,878,131.06 and 12,968,525.88

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Solution

The fourth proportional to 25,915,604.76, 38,878,131.06 and 12,968,525.88 is: 19,455,152.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,915,604.76 : 38,878,131.06 = 12,968,525.88 : x
  2. Step 2: Convert to fraction form
    25,915,604.76/38,878,131.06 = 12,968,525.88/x
  3. Step 3: Cross multiply
    25,915,604.76x = 38,878,131.06 × 12,968,525.88
  4. Step 4: Simplify right side
    25,915,604.76x = 504,192,048,817,641.88
  5. Step 5: Solve for x
    x = 504,192,048,817,641.88/25,915,604.76
  6. Step 6: Final answer
    x = 19,455,152.73

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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.