Home / 28,676,218.69-43,014,370.25-21,891,316.06

Finding the Fourth Proportional to 28,676,218.69, 43,014,370.25 and 21,891,316.06

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Solution

The fourth proportional to 28,676,218.69, 43,014,370.25 and 21,891,316.06 is: 32,837,006.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,676,218.69 : 43,014,370.25 = 21,891,316.06 : x
  2. Step 2: Convert to fraction form
    28,676,218.69/43,014,370.25 = 21,891,316.06/x
  3. Step 3: Cross multiply
    28,676,218.69x = 43,014,370.25 × 21,891,316.06
  4. Step 4: Simplify right side
    28,676,218.69x = 941,641,174,049,539.38
  5. Step 5: Solve for x
    x = 941,641,174,049,539.38/28,676,218.69
  6. Step 6: Final answer
    x = 32,837,006.31

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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.