Home / 47,426,648.91-65,445,171.05-28,839,223.14

Finding the Fourth Proportional to 47,426,648.91, 65,445,171.05 and 28,839,223.14

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Solution

The fourth proportional to 47,426,648.91, 65,445,171.05 and 28,839,223.14 is: 39,795,936.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,426,648.91 : 65,445,171.05 = 28,839,223.14 : x
  2. Step 2: Convert to fraction form
    47,426,648.91/65,445,171.05 = 28,839,223.14/x
  3. Step 3: Cross multiply
    47,426,648.91x = 65,445,171.05 × 28,839,223.14
  4. Step 4: Simplify right side
    47,426,648.91x = 1,887,387,891,460,072.25
  5. Step 5: Solve for x
    x = 1,887,387,891,460,072.25/47,426,648.91
  6. Step 6: Final answer
    x = 39,795,936.14

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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.