Home / 7,908,904.80-11,863,357.20-3,657,376.80

Finding the Fourth Proportional to 7,908,904.80, 11,863,357.20 and 3,657,376.80

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Solution

The fourth proportional to 7,908,904.80, 11,863,357.20 and 3,657,376.80 is: 5,486,065.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,908,904.80 : 11,863,357.20 = 3,657,376.80 : x
  2. Step 2: Convert to fraction form
    7,908,904.80/11,863,357.20 = 3,657,376.80/x
  3. Step 3: Cross multiply
    7,908,904.80x = 11,863,357.20 × 3,657,376.80
  4. Step 4: Simplify right side
    7,908,904.80x = 43,388,767,393,392.95
  5. Step 5: Solve for x
    x = 43,388,767,393,392.95/7,908,904.80
  6. Step 6: Final answer
    x = 5,486,065.20

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Similar ratio
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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.