Home / 18,982,013.76-26,195,058.72-10,280,047.68

Finding the Fourth Proportional to 18,982,013.76, 26,195,058.72 and 10,280,047.68

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Solution

The fourth proportional to 18,982,013.76, 26,195,058.72 and 10,280,047.68 is: 14,186,400.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,982,013.76 : 26,195,058.72 = 10,280,047.68 : x
  2. Step 2: Convert to fraction form
    18,982,013.76/26,195,058.72 = 10,280,047.68/x
  3. Step 3: Cross multiply
    18,982,013.76x = 26,195,058.72 × 10,280,047.68
  4. Step 4: Simplify right side
    18,982,013.76x = 269,286,452,621,999.75
  5. Step 5: Solve for x
    x = 269,286,452,621,999.75/18,982,013.76
  6. Step 6: Final answer
    x = 14,186,400.66

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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.