Home / 28,816,498.54-39,766,649.08-15,585,690.22

Finding the Fourth Proportional to 28,816,498.54, 39,766,649.08 and 15,585,690.22

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Solution

The fourth proportional to 28,816,498.54, 39,766,649.08 and 15,585,690.22 is: 21,508,188.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,816,498.54 : 39,766,649.08 = 15,585,690.22 : x
  2. Step 2: Convert to fraction form
    28,816,498.54/39,766,649.08 = 15,585,690.22/x
  3. Step 3: Cross multiply
    28,816,498.54x = 39,766,649.08 × 15,585,690.22
  4. Step 4: Simplify right side
    28,816,498.54x = 619,790,673,747,744.62
  5. Step 5: Solve for x
    x = 619,790,673,747,744.62/28,816,498.54
  6. Step 6: Final answer
    x = 21,508,188.20

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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.