Home / 12,973,348.13-17,900,250.23-7,745,338.80

Finding the Fourth Proportional to 12,973,348.13, 17,900,250.23 and 7,745,338.80

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Solution

The fourth proportional to 12,973,348.13, 17,900,250.23 and 7,745,338.80 is: 10,686,794.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,973,348.13 : 17,900,250.23 = 7,745,338.80 : x
  2. Step 2: Convert to fraction form
    12,973,348.13/17,900,250.23 = 7,745,338.80/x
  3. Step 3: Cross multiply
    12,973,348.13x = 17,900,250.23 × 7,745,338.80
  4. Step 4: Simplify right side
    12,973,348.13x = 138,643,502,597,401.23
  5. Step 5: Solve for x
    x = 138,643,502,597,401.23/12,973,348.13
  6. Step 6: Final answer
    x = 10,686,794.28

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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.