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Finding the Fourth Proportional to 15,798,006.09, 21,799,360.44 and 8,732,645.19

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Solution

The fourth proportional to 15,798,006.09, 21,799,360.44 and 8,732,645.19 is: 12,050,006.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,798,006.09 : 21,799,360.44 = 8,732,645.19 : x
  2. Step 2: Convert to fraction form
    15,798,006.09/21,799,360.44 = 8,732,645.19/x
  3. Step 3: Cross multiply
    15,798,006.09x = 21,799,360.44 × 8,732,645.19
  4. Step 4: Simplify right side
    15,798,006.09x = 190,366,080,091,442.28
  5. Step 5: Solve for x
    x = 190,366,080,091,442.28/15,798,006.09
  6. Step 6: Final answer
    x = 12,050,006.75

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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.