Home / 28,545,573.65-39,392,930.61-15,492,832.74

Finding the Fourth Proportional to 28,545,573.65, 39,392,930.61 and 15,492,832.74

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Solution

The fourth proportional to 28,545,573.65, 39,392,930.61 and 15,492,832.74 is: 21,380,130.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,545,573.65 : 39,392,930.61 = 15,492,832.74 : x
  2. Step 2: Convert to fraction form
    28,545,573.65/39,392,930.61 = 15,492,832.74/x
  3. Step 3: Cross multiply
    28,545,573.65x = 39,392,930.61 × 15,492,832.74
  4. Step 4: Simplify right side
    28,545,573.65x = 610,308,085,079,156.12
  5. Step 5: Solve for x
    x = 610,308,085,079,156.12/28,545,573.65
  6. Step 6: Final answer
    x = 21,380,130.34

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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.