Home / 12,178,268.28-16,806,008.79-7,283,489.63

Finding the Fourth Proportional to 12,178,268.28, 16,806,008.79 and 7,283,489.63

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Solution

The fourth proportional to 12,178,268.28, 16,806,008.79 and 7,283,489.63 is: 10,051,214.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,178,268.28 : 16,806,008.79 = 7,283,489.63 : x
  2. Step 2: Convert to fraction form
    12,178,268.28/16,806,008.79 = 7,283,489.63/x
  3. Step 3: Cross multiply
    12,178,268.28x = 16,806,008.79 × 7,283,489.63
  4. Step 4: Simplify right side
    12,178,268.28x = 122,406,390,659,623.80
  5. Step 5: Solve for x
    x = 122,406,390,659,623.80/12,178,268.28
  6. Step 6: Final answer
    x = 10,051,214.82

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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.