Home / 18,134,139.41-25,025,005.54-9,874,181.98

Finding the Fourth Proportional to 18,134,139.41, 25,025,005.54 and 9,874,181.98

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Solution

The fourth proportional to 18,134,139.41, 25,025,005.54 and 9,874,181.98 is: 13,626,312.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,134,139.41 : 25,025,005.54 = 9,874,181.98 : x
  2. Step 2: Convert to fraction form
    18,134,139.41/25,025,005.54 = 9,874,181.98/x
  3. Step 3: Cross multiply
    18,134,139.41x = 25,025,005.54 × 9,874,181.98
  4. Step 4: Simplify right side
    18,134,139.41x = 247,101,458,740,549.84
  5. Step 5: Solve for x
    x = 247,101,458,740,549.84/18,134,139.41
  6. Step 6: Final answer
    x = 13,626,312.95

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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.