Home / 15,009,701.77-20,713,406.15-8,134,183.83

Finding the Fourth Proportional to 15,009,701.77, 20,713,406.15 and 8,134,183.83

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Solution

The fourth proportional to 15,009,701.77, 20,713,406.15 and 8,134,183.83 is: 11,225,183.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,009,701.77 : 20,713,406.15 = 8,134,183.83 : x
  2. Step 2: Convert to fraction form
    15,009,701.77/20,713,406.15 = 8,134,183.83/x
  3. Step 3: Cross multiply
    15,009,701.77x = 20,713,406.15 × 8,134,183.83
  4. Step 4: Simplify right side
    15,009,701.77x = 168,486,653,369,552.53
  5. Step 5: Solve for x
    x = 168,486,653,369,552.53/15,009,701.77
  6. Step 6: Final answer
    x = 11,225,183.28

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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.