Home / 12,764,878.42-17,613,122.96-7,608,719.74

Finding the Fourth Proportional to 12,764,878.42, 17,613,122.96 and 7,608,719.74

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Solution

The fourth proportional to 12,764,878.42, 17,613,122.96 and 7,608,719.74 is: 10,498,597.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,764,878.42 : 17,613,122.96 = 7,608,719.74 : x
  2. Step 2: Convert to fraction form
    12,764,878.42/17,613,122.96 = 7,608,719.74/x
  3. Step 3: Cross multiply
    12,764,878.42x = 17,613,122.96 × 7,608,719.74
  4. Step 4: Simplify right side
    12,764,878.42x = 134,013,316,348,799.23
  5. Step 5: Solve for x
    x = 134,013,316,348,799.23/12,764,878.42
  6. Step 6: Final answer
    x = 10,498,597.16

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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.