Home / 28,387,883-39,175,278.54-15,510,827

Finding the Fourth Proportional to 28,387,883, 39,175,278.54 and 15,510,827

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Solution

The fourth proportional to 28,387,883, 39,175,278.54 and 15,510,827 is: 21,404,941.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,387,883 : 39,175,278.54 = 15,510,827 : x
  2. Step 2: Convert to fraction form
    28,387,883/39,175,278.54 = 15,510,827/x
  3. Step 3: Cross multiply
    28,387,883x = 39,175,278.54 × 15,510,827
  4. Step 4: Simplify right side
    28,387,883x = 607,640,968,110,752.62
  5. Step 5: Solve for x
    x = 607,640,968,110,752.62/28,387,883
  6. Step 6: Final answer
    x = 21,404,941.26

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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.