Home / 13,502,407.80-20,251,428.66-4,986,754.68

Finding the Fourth Proportional to 13,502,407.80, 20,251,428.66 and 4,986,754.68

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Solution

The fourth proportional to 13,502,407.80, 20,251,428.66 and 4,986,754.68 is: 7,479,325.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,502,407.80 : 20,251,428.66 = 4,986,754.68 : x
  2. Step 2: Convert to fraction form
    13,502,407.80/20,251,428.66 = 4,986,754.68/x
  3. Step 3: Cross multiply
    13,502,407.80x = 20,251,428.66 × 4,986,754.68
  4. Step 4: Simplify right side
    13,502,407.80x = 100,988,906,646,941.12
  5. Step 5: Solve for x
    x = 100,988,906,646,941.12/13,502,407.80
  6. Step 6: Final answer
    x = 7,479,325.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.