Home / 13,709,788.17-20,560,541.55-4,122,621.69

Finding the Fourth Proportional to 13,709,788.17, 20,560,541.55 and 4,122,621.69

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Solution

The fourth proportional to 13,709,788.17, 20,560,541.55 and 4,122,621.69 is: 6,182,687.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,709,788.17 : 20,560,541.55 = 4,122,621.69 : x
  2. Step 2: Convert to fraction form
    13,709,788.17/20,560,541.55 = 4,122,621.69/x
  3. Step 3: Cross multiply
    13,709,788.17x = 20,560,541.55 × 4,122,621.69
  4. Step 4: Simplify right side
    13,709,788.17x = 84,763,334,552,176.22
  5. Step 5: Solve for x
    x = 84,763,334,552,176.22/13,709,788.17
  6. Step 6: Final answer
    x = 6,182,687.40

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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.