Home / 13,879,595.09-19,119,617.28-11,807,975.72

Finding the Fourth Proportional to 13,879,595.09, 19,119,617.28 and 11,807,975.72

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Solution

The fourth proportional to 13,879,595.09, 19,119,617.28 and 11,807,975.72 is: 16,265,890.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,879,595.09 : 19,119,617.28 = 11,807,975.72 : x
  2. Step 2: Convert to fraction form
    13,879,595.09/19,119,617.28 = 11,807,975.72/x
  3. Step 3: Cross multiply
    13,879,595.09x = 19,119,617.28 × 11,807,975.72
  4. Step 4: Simplify right side
    13,879,595.09x = 225,763,976,522,334.38
  5. Step 5: Solve for x
    x = 225,763,976,522,334.38/13,879,595.09
  6. Step 6: Final answer
    x = 16,265,890.69

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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.