Home / 12,993,882.03-17,931,339.56-7,192,538.91

Finding the Fourth Proportional to 12,993,882.03, 17,931,339.56 and 7,192,538.91

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Solution

The fourth proportional to 12,993,882.03, 17,931,339.56 and 7,192,538.91 is: 9,925,583.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,993,882.03 : 17,931,339.56 = 7,192,538.91 : x
  2. Step 2: Convert to fraction form
    12,993,882.03/17,931,339.56 = 7,192,538.91/x
  3. Step 3: Cross multiply
    12,993,882.03x = 17,931,339.56 × 7,192,538.91
  4. Step 4: Simplify right side
    12,993,882.03x = 128,971,857,457,759.58
  5. Step 5: Solve for x
    x = 128,971,857,457,759.58/12,993,882.03
  6. Step 6: Final answer
    x = 9,925,583.22

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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.