Home / 13,107,631.80-19,661,447.70-10,868,143.80

Finding the Fourth Proportional to 13,107,631.80, 19,661,447.70 and 10,868,143.80

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Solution

The fourth proportional to 13,107,631.80, 19,661,447.70 and 10,868,143.80 is: 16,302,215.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,107,631.80 : 19,661,447.70 = 10,868,143.80 : x
  2. Step 2: Convert to fraction form
    13,107,631.80/19,661,447.70 = 10,868,143.80/x
  3. Step 3: Cross multiply
    13,107,631.80x = 19,661,447.70 × 10,868,143.80
  4. Step 4: Simplify right side
    13,107,631.80x = 213,683,440,919,779.28
  5. Step 5: Solve for x
    x = 213,683,440,919,779.28/13,107,631.80
  6. Step 6: Final answer
    x = 16,302,215.70

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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.