Home / 28,547,124.72-39,394,932.36-15,494,382.96

Finding the Fourth Proportional to 28,547,124.72, 39,394,932.36 and 15,494,382.96

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Solution

The fourth proportional to 28,547,124.72, 39,394,932.36 and 15,494,382.96 is: 21,382,194.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,547,124.72 : 39,394,932.36 = 15,494,382.96 : x
  2. Step 2: Convert to fraction form
    28,547,124.72/39,394,932.36 = 15,494,382.96/x
  3. Step 3: Cross multiply
    28,547,124.72x = 39,394,932.36 × 15,494,382.96
  4. Step 4: Simplify right side
    28,547,124.72x = 610,400,168,669,136.62
  5. Step 5: Solve for x
    x = 610,400,168,669,136.62/28,547,124.72
  6. Step 6: Final answer
    x = 21,382,194.34

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1.5x scale

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.