Home / 39,103,737.12-53,963,744.16-21,701,209.44

Finding the Fourth Proportional to 39,103,737.12, 53,963,744.16 and 21,701,209.44

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Solution

The fourth proportional to 39,103,737.12, 53,963,744.16 and 21,701,209.44 is: 29,947,994.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,103,737.12 : 53,963,744.16 = 21,701,209.44 : x
  2. Step 2: Convert to fraction form
    39,103,737.12/53,963,744.16 = 21,701,209.44/x
  3. Step 3: Cross multiply
    39,103,737.12x = 53,963,744.16 × 21,701,209.44
  4. Step 4: Simplify right side
    39,103,737.12x = 1,171,078,514,182,736.75
  5. Step 5: Solve for x
    x = 1,171,078,514,182,736.75/39,103,737.12
  6. Step 6: Final answer
    x = 29,947,994.76

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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.