Home / 28,843,886.16-39,804,571.87-15,791,974.04

Finding the Fourth Proportional to 28,843,886.16, 39,804,571.87 and 15,791,974.04

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Solution

The fourth proportional to 28,843,886.16, 39,804,571.87 and 15,791,974.04 is: 21,792,929.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,843,886.16 : 39,804,571.87 = 15,791,974.04 : x
  2. Step 2: Convert to fraction form
    28,843,886.16/39,804,571.87 = 15,791,974.04/x
  3. Step 3: Cross multiply
    28,843,886.16x = 39,804,571.87 × 15,791,974.04
  4. Step 4: Simplify right side
    28,843,886.16x = 628,592,765,704,385.75
  5. Step 5: Solve for x
    x = 628,592,765,704,385.75/28,843,886.16
  6. Step 6: Final answer
    x = 21,792,929.09

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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.