Home / 18,872,625.48-28,308,890.57-5,225,726.31

Finding the Fourth Proportional to 18,872,625.48, 28,308,890.57 and 5,225,726.31

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Solution

The fourth proportional to 18,872,625.48, 28,308,890.57 and 5,225,726.31 is: 7,838,576.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,872,625.48 : 28,308,890.57 = 5,225,726.31 : x
  2. Step 2: Convert to fraction form
    18,872,625.48/28,308,890.57 = 5,225,726.31/x
  3. Step 3: Cross multiply
    18,872,625.48x = 28,308,890.57 × 5,225,726.31
  4. Step 4: Simplify right side
    18,872,625.48x = 147,934,514,232,431.25
  5. Step 5: Solve for x
    x = 147,934,514,232,431.25/18,872,625.48
  6. Step 6: Final answer
    x = 7,838,576.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.