Home / 25,912,005.20-38,868,007.80-21,880,926.80

Finding the Fourth Proportional to 25,912,005.20, 38,868,007.80 and 21,880,926.80

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Solution

The fourth proportional to 25,912,005.20, 38,868,007.80 and 21,880,926.80 is: 32,821,390.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,912,005.20 : 38,868,007.80 = 21,880,926.80 : x
  2. Step 2: Convert to fraction form
    25,912,005.20/38,868,007.80 = 21,880,926.80/x
  3. Step 3: Cross multiply
    25,912,005.20x = 38,868,007.80 × 21,880,926.80
  4. Step 4: Simplify right side
    25,912,005.20x = 850,468,033,533,629
  5. Step 5: Solve for x
    x = 850,468,033,533,629/25,912,005.20
  6. Step 6: Final answer
    x = 32,821,390.20

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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.