Home / 7,192,043.74-9,925,322.43-4,136,260.78

Finding the Fourth Proportional to 7,192,043.74, 9,925,322.43 and 4,136,260.78

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Solution

The fourth proportional to 7,192,043.74, 9,925,322.43 and 4,136,260.78 is: 5,708,213.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,192,043.74 : 9,925,322.43 = 4,136,260.78 : x
  2. Step 2: Convert to fraction form
    7,192,043.74/9,925,322.43 = 4,136,260.78/x
  3. Step 3: Cross multiply
    7,192,043.74x = 9,925,322.43 × 4,136,260.78
  4. Step 4: Simplify right side
    7,192,043.74x = 41,053,721,896,063.29
  5. Step 5: Solve for x
    x = 41,053,721,896,063.29/7,192,043.74
  6. Step 6: Final answer
    x = 5,708,213.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.