Home / 6,739,943.80-10,109,915.70-3,870,162.40

Finding the Fourth Proportional to 6,739,943.80, 10,109,915.70 and 3,870,162.40

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Solution

The fourth proportional to 6,739,943.80, 10,109,915.70 and 3,870,162.40 is: 5,805,243.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,739,943.80 : 10,109,915.70 = 3,870,162.40 : x
  2. Step 2: Convert to fraction form
    6,739,943.80/10,109,915.70 = 3,870,162.40/x
  3. Step 3: Cross multiply
    6,739,943.80x = 10,109,915.70 × 3,870,162.40
  4. Step 4: Simplify right side
    6,739,943.80x = 39,127,015,609,309.68
  5. Step 5: Solve for x
    x = 39,127,015,609,309.68/6,739,943.80
  6. Step 6: Final answer
    x = 5,805,243.60

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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.