Home / 13,137,723.40-19,721,330.70-10,159,112.20

Finding the Fourth Proportional to 13,137,723.40, 19,721,330.70 and 10,159,112.20

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Solution

The fourth proportional to 13,137,723.40, 19,721,330.70 and 10,159,112.20 is: 15,250,070.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,137,723.40 : 19,721,330.70 = 10,159,112.20 : x
  2. Step 2: Convert to fraction form
    13,137,723.40/19,721,330.70 = 10,159,112.20/x
  3. Step 3: Cross multiply
    13,137,723.40x = 19,721,330.70 × 10,159,112.20
  4. Step 4: Simplify right side
    13,137,723.40x = 200,351,211,314,604.53
  5. Step 5: Solve for x
    x = 200,351,211,314,604.53/13,137,723.40
  6. Step 6: Final answer
    x = 15,250,070.75

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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.