Home / 14,663,215.80-20,235,701.85-8,468,150.43

Finding the Fourth Proportional to 14,663,215.80, 20,235,701.85 and 8,468,150.43

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Solution

The fourth proportional to 14,663,215.80, 20,235,701.85 and 8,468,150.43 is: 11,686,315.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,663,215.80 : 20,235,701.85 = 8,468,150.43 : x
  2. Step 2: Convert to fraction form
    14,663,215.80/20,235,701.85 = 8,468,150.43/x
  3. Step 3: Cross multiply
    14,663,215.80x = 20,235,701.85 × 8,468,150.43
  4. Step 4: Simplify right side
    14,663,215.80x = 171,358,967,322,429.31
  5. Step 5: Solve for x
    x = 171,358,967,322,429.31/14,663,215.80
  6. Step 6: Final answer
    x = 11,686,315.58

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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.