Home / 19,338,068.97-28,999,647.39-8,549,448.39

Finding the Fourth Proportional to 19,338,068.97, 28,999,647.39 and 8,549,448.39

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Solution

The fourth proportional to 19,338,068.97, 28,999,647.39 and 8,549,448.39 is: 12,820,876.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,338,068.97 : 28,999,647.39 = 8,549,448.39 : x
  2. Step 2: Convert to fraction form
    19,338,068.97/28,999,647.39 = 8,549,448.39/x
  3. Step 3: Cross multiply
    19,338,068.97x = 28,999,647.39 × 8,549,448.39
  4. Step 4: Simplify right side
    19,338,068.97x = 247,930,988,689,003.22
  5. Step 5: Solve for x
    x = 247,930,988,689,003.22/19,338,068.97
  6. Step 6: Final answer
    x = 12,820,876.22

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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.