Home / 28,545,574.76-39,392,932.05-15,492,833.84

Finding the Fourth Proportional to 28,545,574.76, 39,392,932.05 and 15,492,833.84

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Solution

The fourth proportional to 28,545,574.76, 39,392,932.05 and 15,492,833.84 is: 21,380,131.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,545,574.76 : 39,392,932.05 = 15,492,833.84 : x
  2. Step 2: Convert to fraction form
    28,545,574.76/39,392,932.05 = 15,492,833.84/x
  3. Step 3: Cross multiply
    28,545,574.76x = 39,392,932.05 × 15,492,833.84
  4. Step 4: Simplify right side
    28,545,574.76x = 610,308,150,446,631.75
  5. Step 5: Solve for x
    x = 610,308,150,446,631.75/28,545,574.76
  6. Step 6: Final answer
    x = 21,380,131.80

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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.