Home / 18,217,291.65-27,328,999.28-5,439,088.05

Finding the Fourth Proportional to 18,217,291.65, 27,328,999.28 and 5,439,088.05

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Solution

The fourth proportional to 18,217,291.65, 27,328,999.28 and 5,439,088.05 is: 8,159,546.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,217,291.65 : 27,328,999.28 = 5,439,088.05 : x
  2. Step 2: Convert to fraction form
    18,217,291.65/27,328,999.28 = 5,439,088.05/x
  3. Step 3: Cross multiply
    18,217,291.65x = 27,328,999.28 × 5,439,088.05
  4. Step 4: Simplify right side
    18,217,291.65x = 148,644,833,375,111.16
  5. Step 5: Solve for x
    x = 148,644,833,375,111.16/18,217,291.65
  6. Step 6: Final answer
    x = 8,159,546.23

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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.