Home / 10,645,668.80-15,968,503.20-3,912,689.60

Finding the Fourth Proportional to 10,645,668.80, 15,968,503.20 and 3,912,689.60

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Solution

The fourth proportional to 10,645,668.80, 15,968,503.20 and 3,912,689.60 is: 5,869,034.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,645,668.80 : 15,968,503.20 = 3,912,689.60 : x
  2. Step 2: Convert to fraction form
    10,645,668.80/15,968,503.20 = 3,912,689.60/x
  3. Step 3: Cross multiply
    10,645,668.80x = 15,968,503.20 × 3,912,689.60
  4. Step 4: Simplify right side
    10,645,668.80x = 62,479,796,398,206.72
  5. Step 5: Solve for x
    x = 62,479,796,398,206.72/10,645,668.80
  6. Step 6: Final answer
    x = 5,869,034.40

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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.