Home / 8,013,742.82-11,991,880.62-6,937,955.78

Finding the Fourth Proportional to 8,013,742.82, 11,991,880.62 and 6,937,955.78

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Solution

The fourth proportional to 8,013,742.82, 11,991,880.62 and 6,937,955.78 is: 10,382,057.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,013,742.82 : 11,991,880.62 = 6,937,955.78 : x
  2. Step 2: Convert to fraction form
    8,013,742.82/11,991,880.62 = 6,937,955.78/x
  3. Step 3: Cross multiply
    8,013,742.82x = 11,991,880.62 × 6,937,955.78
  4. Step 4: Simplify right side
    8,013,742.82x = 83,199,137,460,598.98
  5. Step 5: Solve for x
    x = 83,199,137,460,598.98/8,013,742.82
  6. Step 6: Final answer
    x = 10,382,057.34

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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.