Home / 21,230,013.18-31,798,341.88-17,544,979.74

Finding the Fourth Proportional to 21,230,013.18, 31,798,341.88 and 17,544,979.74

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Solution

The fourth proportional to 21,230,013.18, 31,798,341.88 and 17,544,979.74 is: 26,278,893.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,230,013.18 : 31,798,341.88 = 17,544,979.74 : x
  2. Step 2: Convert to fraction form
    21,230,013.18/31,798,341.88 = 17,544,979.74/x
  3. Step 3: Cross multiply
    21,230,013.18x = 31,798,341.88 × 17,544,979.74
  4. Step 4: Simplify right side
    21,230,013.18x = 557,901,264,050,193.44
  5. Step 5: Solve for x
    x = 557,901,264,050,193.44/21,230,013.18
  6. Step 6: Final answer
    x = 26,278,893.91

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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.