Home / 28,840,934.28-39,758,086.26-21,953,420.04

Finding the Fourth Proportional to 28,840,934.28, 39,758,086.26 and 21,953,420.04

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Solution

The fourth proportional to 28,840,934.28, 39,758,086.26 and 21,953,420.04 is: 30,263,442.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,840,934.28 : 39,758,086.26 = 21,953,420.04 : x
  2. Step 2: Convert to fraction form
    28,840,934.28/39,758,086.26 = 21,953,420.04/x
  3. Step 3: Cross multiply
    28,840,934.28x = 39,758,086.26 × 21,953,420.04
  4. Step 4: Simplify right side
    28,840,934.28x = 872,825,967,652,332.62
  5. Step 5: Solve for x
    x = 872,825,967,652,332.62/28,840,934.28
  6. Step 6: Final answer
    x = 30,263,442.90

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1.5x scale

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.