Home / 12,892,302.87-17,791,387.05-7,091,525.94

Finding the Fourth Proportional to 12,892,302.87, 17,791,387.05 and 7,091,525.94

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Solution

The fourth proportional to 12,892,302.87, 17,791,387.05 and 7,091,525.94 is: 9,786,310.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,892,302.87 : 17,791,387.05 = 7,091,525.94 : x
  2. Step 2: Convert to fraction form
    12,892,302.87/17,791,387.05 = 7,091,525.94/x
  3. Step 3: Cross multiply
    12,892,302.87x = 17,791,387.05 × 7,091,525.94
  4. Step 4: Simplify right side
    12,892,302.87x = 126,168,082,773,655.09
  5. Step 5: Solve for x
    x = 126,168,082,773,655.09/12,892,302.87
  6. Step 6: Final answer
    x = 9,786,310.80

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1.5x scale

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.