Home / 15,224,314.92-21,010,041.54-8,348,780.76

Finding the Fourth Proportional to 15,224,314.92, 21,010,041.54 and 8,348,780.76

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Solution

The fourth proportional to 15,224,314.92, 21,010,041.54 and 8,348,780.76 is: 11,521,584.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,224,314.92 : 21,010,041.54 = 8,348,780.76 : x
  2. Step 2: Convert to fraction form
    15,224,314.92/21,010,041.54 = 8,348,780.76/x
  3. Step 3: Cross multiply
    15,224,314.92x = 21,010,041.54 × 8,348,780.76
  4. Step 4: Simplify right side
    15,224,314.92x = 175,408,230,575,952.75
  5. Step 5: Solve for x
    x = 175,408,230,575,952.75/15,224,314.92
  6. Step 6: Final answer
    x = 11,521,584.48

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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.