Home / 18,178,803.57-25,064,058.22-11,641,685.61

Finding the Fourth Proportional to 18,178,803.57, 25,064,058.22 and 11,641,685.61

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Solution

The fourth proportional to 18,178,803.57, 25,064,058.22 and 11,641,685.61 is: 16,050,995.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,178,803.57 : 25,064,058.22 = 11,641,685.61 : x
  2. Step 2: Convert to fraction form
    18,178,803.57/25,064,058.22 = 11,641,685.61/x
  3. Step 3: Cross multiply
    18,178,803.57x = 25,064,058.22 × 11,641,685.61
  4. Step 4: Simplify right side
    18,178,803.57x = 291,787,885,972,862.25
  5. Step 5: Solve for x
    x = 291,787,885,972,862.25/18,178,803.57
  6. Step 6: Final answer
    x = 16,050,995.04

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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.