Home / 7,127,981.80-9,836,555.06-4,031,113.25

Finding the Fourth Proportional to 7,127,981.80, 9,836,555.06 and 4,031,113.25

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Solution

The fourth proportional to 7,127,981.80, 9,836,555.06 and 4,031,113.25 is: 5,562,902.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127,981.80 : 9,836,555.06 = 4,031,113.25 : x
  2. Step 2: Convert to fraction form
    7,127,981.80/9,836,555.06 = 4,031,113.25/x
  3. Step 3: Cross multiply
    7,127,981.80x = 9,836,555.06 × 4,031,113.25
  4. Step 4: Simplify right side
    7,127,981.80x = 39,652,267,436,720.55
  5. Step 5: Solve for x
    x = 39,652,267,436,720.55/7,127,981.80
  6. Step 6: Final answer
    x = 5,562,902.45

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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.