Home / 13,870,717.74-20,803,977.09-3,774,126.06

Finding the Fourth Proportional to 13,870,717.74, 20,803,977.09 and 3,774,126.06

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Solution

The fourth proportional to 13,870,717.74, 20,803,977.09 and 3,774,126.06 is: 5,660,617.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,870,717.74 : 20,803,977.09 = 3,774,126.06 : x
  2. Step 2: Convert to fraction form
    13,870,717.74/20,803,977.09 = 3,774,126.06/x
  3. Step 3: Cross multiply
    13,870,717.74x = 20,803,977.09 × 3,774,126.06
  4. Step 4: Simplify right side
    13,870,717.74x = 78,516,832,087,011.97
  5. Step 5: Solve for x
    x = 78,516,832,087,011.97/13,870,717.74
  6. Step 6: Final answer
    x = 5,660,617.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.