Home / 15,315,773.59-21,135,771.95-8,346,453.06

Finding the Fourth Proportional to 15,315,773.59, 21,135,771.95 and 8,346,453.06

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Solution

The fourth proportional to 15,315,773.59, 21,135,771.95 and 8,346,453.06 is: 11,518,107.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,315,773.59 : 21,135,771.95 = 8,346,453.06 : x
  2. Step 2: Convert to fraction form
    15,315,773.59/21,135,771.95 = 8,346,453.06/x
  3. Step 3: Cross multiply
    15,315,773.59x = 21,135,771.95 × 8,346,453.06
  4. Step 4: Simplify right side
    15,315,773.59x = 176,408,728,467,539.66
  5. Step 5: Solve for x
    x = 176,408,728,467,539.66/15,315,773.59
  6. Step 6: Final answer
    x = 11,518,107.62

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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.