Home / 28,545,588.28-39,392,950.80-15,492,847.42

Finding the Fourth Proportional to 28,545,588.28, 39,392,950.80 and 15,492,847.42

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Solution

The fourth proportional to 28,545,588.28, 39,392,950.80 and 15,492,847.42 is: 21,380,150.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,545,588.28 : 39,392,950.80 = 15,492,847.42 : x
  2. Step 2: Convert to fraction form
    28,545,588.28/39,392,950.80 = 15,492,847.42/x
  3. Step 3: Cross multiply
    28,545,588.28x = 39,392,950.80 × 15,492,847.42
  4. Step 4: Simplify right side
    28,545,588.28x = 610,308,976,167,966.88
  5. Step 5: Solve for x
    x = 610,308,976,167,966.88/28,545,588.28
  6. Step 6: Final answer
    x = 21,380,150.59

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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.