Home / 12,192,806.34-18,251,094.78-7,869,077.01

Finding the Fourth Proportional to 12,192,806.34, 18,251,094.78 and 7,869,077.01

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Solution

The fourth proportional to 12,192,806.34, 18,251,094.78 and 7,869,077.01 is: 11,779,016.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,192,806.34 : 18,251,094.78 = 7,869,077.01 : x
  2. Step 2: Convert to fraction form
    12,192,806.34/18,251,094.78 = 7,869,077.01/x
  3. Step 3: Cross multiply
    12,192,806.34x = 18,251,094.78 × 7,869,077.01
  4. Step 4: Simplify right side
    12,192,806.34x = 143,619,270,340,629
  5. Step 5: Solve for x
    x = 143,619,270,340,629/12,192,806.34
  6. Step 6: Final answer
    x = 11,779,016.77

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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.