Home / 28,545,582.16-39,392,942.35-15,492,841.24

Finding the Fourth Proportional to 28,545,582.16, 39,392,942.35 and 15,492,841.24

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Solution

The fourth proportional to 28,545,582.16, 39,392,942.35 and 15,492,841.24 is: 21,380,142.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,545,582.16 : 39,392,942.35 = 15,492,841.24 : x
  2. Step 2: Convert to fraction form
    28,545,582.16/39,392,942.35 = 15,492,841.24/x
  3. Step 3: Cross multiply
    28,545,582.16x = 39,392,942.35 × 15,492,841.24
  4. Step 4: Simplify right side
    28,545,582.16x = 610,308,601,805,022.50
  5. Step 5: Solve for x
    x = 610,308,601,805,022.50/28,545,582.16
  6. Step 6: Final answer
    x = 21,380,142.06

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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.