Home / 18,470,852.70-27,706,279.05-7,684,568.70

Finding the Fourth Proportional to 18,470,852.70, 27,706,279.05 and 7,684,568.70

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Solution

The fourth proportional to 18,470,852.70, 27,706,279.05 and 7,684,568.70 is: 11,526,853.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,470,852.70 : 27,706,279.05 = 7,684,568.70 : x
  2. Step 2: Convert to fraction form
    18,470,852.70/27,706,279.05 = 7,684,568.70/x
  3. Step 3: Cross multiply
    18,470,852.70x = 27,706,279.05 × 7,684,568.70
  4. Step 4: Simplify right side
    18,470,852.70x = 212,910,804,781,095.75
  5. Step 5: Solve for x
    x = 212,910,804,781,095.75/18,470,852.70
  6. Step 6: Final answer
    x = 11,526,853.05

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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.