Home / 18,556,044.78-27,822,877.02-8,319,050.40

Finding the Fourth Proportional to 18,556,044.78, 27,822,877.02 and 8,319,050.40

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Solution

The fourth proportional to 18,556,044.78, 27,822,877.02 and 8,319,050.40 is: 12,473,558.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,556,044.78 : 27,822,877.02 = 8,319,050.40 : x
  2. Step 2: Convert to fraction form
    18,556,044.78/27,822,877.02 = 8,319,050.40/x
  3. Step 3: Cross multiply
    18,556,044.78x = 27,822,877.02 × 8,319,050.40
  4. Step 4: Simplify right side
    18,556,044.78x = 231,459,916,202,381.81
  5. Step 5: Solve for x
    x = 231,459,916,202,381.81/18,556,044.78
  6. Step 6: Final answer
    x = 12,473,558.83

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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.