Home / 14,985,351.87-20,679,785.32-8,109,833.93

Finding the Fourth Proportional to 14,985,351.87, 20,679,785.32 and 8,109,833.93

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Solution

The fourth proportional to 14,985,351.87, 20,679,785.32 and 8,109,833.93 is: 11,191,570.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,985,351.87 : 20,679,785.32 = 8,109,833.93 : x
  2. Step 2: Convert to fraction form
    14,985,351.87/20,679,785.32 = 8,109,833.93/x
  3. Step 3: Cross multiply
    14,985,351.87x = 20,679,785.32 × 8,109,833.93
  4. Step 4: Simplify right side
    14,985,351.87x = 167,709,624,622,333.53
  5. Step 5: Solve for x
    x = 167,709,624,622,333.53/14,985,351.87
  6. Step 6: Final answer
    x = 11,191,570.68

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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.