Home / 28,551,247.29-39,400,771.25-15,498,515.07

Finding the Fourth Proportional to 28,551,247.29, 39,400,771.25 and 15,498,515.07

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Solution

The fourth proportional to 28,551,247.29, 39,400,771.25 and 15,498,515.07 is: 21,387,977.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,551,247.29 : 39,400,771.25 = 15,498,515.07 : x
  2. Step 2: Convert to fraction form
    28,551,247.29/39,400,771.25 = 15,498,515.07/x
  3. Step 3: Cross multiply
    28,551,247.29x = 39,400,771.25 × 15,498,515.07
  4. Step 4: Simplify right side
    28,551,247.29x = 610,653,447,026,494
  5. Step 5: Solve for x
    x = 610,653,447,026,494/28,551,247.29
  6. Step 6: Final answer
    x = 21,387,977.93

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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.