Home / 13,261,214.70-19,891,822.05-9,901,982.70

Finding the Fourth Proportional to 13,261,214.70, 19,891,822.05 and 9,901,982.70

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Solution

The fourth proportional to 13,261,214.70, 19,891,822.05 and 9,901,982.70 is: 14,852,974.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,261,214.70 : 19,891,822.05 = 9,901,982.70 : x
  2. Step 2: Convert to fraction form
    13,261,214.70/19,891,822.05 = 9,901,982.70/x
  3. Step 3: Cross multiply
    13,261,214.70x = 19,891,822.05 × 9,901,982.70
  4. Step 4: Simplify right side
    13,261,214.70x = 196,968,477,810,578.53
  5. Step 5: Solve for x
    x = 196,968,477,810,578.53/13,261,214.70
  6. Step 6: Final answer
    x = 14,852,974.05

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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.