Home / 28,547,057.61-39,394,840.14-15,494,316.48

Finding the Fourth Proportional to 28,547,057.61, 39,394,840.14 and 15,494,316.48

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Solution

The fourth proportional to 28,547,057.61, 39,394,840.14 and 15,494,316.48 is: 21,382,102.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,547,057.61 : 39,394,840.14 = 15,494,316.48 : x
  2. Step 2: Convert to fraction form
    28,547,057.61/39,394,840.14 = 15,494,316.48/x
  3. Step 3: Cross multiply
    28,547,057.61x = 39,394,840.14 × 15,494,316.48
  4. Step 4: Simplify right side
    28,547,057.61x = 610,396,120,808,167.50
  5. Step 5: Solve for x
    x = 610,396,120,808,167.50/28,547,057.61
  6. Step 6: Final answer
    x = 21,382,102.81

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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.