Home / 13,813,719.04-20,734,949.68-10,174,557.72

Finding the Fourth Proportional to 13,813,719.04, 20,734,949.68 and 10,174,557.72

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Solution

The fourth proportional to 13,813,719.04, 20,734,949.68 and 10,174,557.72 is: 15,272,421.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,813,719.04 : 20,734,949.68 = 10,174,557.72 : x
  2. Step 2: Convert to fraction form
    13,813,719.04/20,734,949.68 = 10,174,557.72/x
  3. Step 3: Cross multiply
    13,813,719.04x = 20,734,949.68 × 10,174,557.72
  4. Step 4: Simplify right side
    13,813,719.04x = 210,968,942,340,455.53
  5. Step 5: Solve for x
    x = 210,968,942,340,455.53/13,813,719.04
  6. Step 6: Final answer
    x = 15,272,421.69

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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.