Home / 18,176,984.64-25,083,363.36-9,916,555.20

Finding the Fourth Proportional to 18,176,984.64, 25,083,363.36 and 9,916,555.20

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Solution

The fourth proportional to 18,176,984.64, 25,083,363.36 and 9,916,555.20 is: 13,684,368.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,176,984.64 : 25,083,363.36 = 9,916,555.20 : x
  2. Step 2: Convert to fraction form
    18,176,984.64/25,083,363.36 = 9,916,555.20/x
  3. Step 3: Cross multiply
    18,176,984.64x = 25,083,363.36 × 9,916,555.20
  4. Step 4: Simplify right side
    18,176,984.64x = 248,740,557,361,097.44
  5. Step 5: Solve for x
    x = 248,740,557,361,097.44/18,176,984.64
  6. Step 6: Final answer
    x = 13,684,368.57

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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.