Home / 7,127,988.32-9,836,563.64-4,031,119.78

Finding the Fourth Proportional to 7,127,988.32, 9,836,563.64 and 4,031,119.78

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Solution

The fourth proportional to 7,127,988.32, 9,836,563.64 and 4,031,119.78 is: 5,562,911.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127,988.32 : 9,836,563.64 = 4,031,119.78 : x
  2. Step 2: Convert to fraction form
    7,127,988.32/9,836,563.64 = 4,031,119.78/x
  3. Step 3: Cross multiply
    7,127,988.32x = 9,836,563.64 × 4,031,119.78
  4. Step 4: Simplify right side
    7,127,988.32x = 39,652,366,256,432.80
  5. Step 5: Solve for x
    x = 39,652,366,256,432.80/7,127,988.32
  6. Step 6: Final answer
    x = 5,562,911.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.