Home / 15,308,360.88-21,125,590.32-8,432,826.48

Finding the Fourth Proportional to 15,308,360.88, 21,125,590.32 and 8,432,826.48

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Solution

The fourth proportional to 15,308,360.88, 21,125,590.32 and 8,432,826.48 is: 11,637,329.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,308,360.88 : 21,125,590.32 = 8,432,826.48 : x
  2. Step 2: Convert to fraction form
    15,308,360.88/21,125,590.32 = 8,432,826.48/x
  3. Step 3: Cross multiply
    15,308,360.88x = 21,125,590.32 × 8,432,826.48
  4. Step 4: Simplify right side
    15,308,360.88x = 178,148,437,456,127.69
  5. Step 5: Solve for x
    x = 178,148,437,456,127.69/15,308,360.88
  6. Step 6: Final answer
    x = 11,637,329.36

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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.