Home / 6,989,542-10,486,059.80-5,555,635.48

Finding the Fourth Proportional to 6,989,542, 10,486,059.80 and 5,555,635.48

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Solution

The fourth proportional to 6,989,542, 10,486,059.80 and 5,555,635.48 is: 8,334,841.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,989,542 : 10,486,059.80 = 5,555,635.48 : x
  2. Step 2: Convert to fraction form
    6,989,542/10,486,059.80 = 5,555,635.48/x
  3. Step 3: Cross multiply
    6,989,542x = 10,486,059.80 × 5,555,635.48
  4. Step 4: Simplify right side
    6,989,542x = 58,256,725,870,281.71
  5. Step 5: Solve for x
    x = 58,256,725,870,281.71/6,989,542
  6. Step 6: Final answer
    x = 8,334,841.66

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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.