Home / 22,703,448.95-31,331,778.23-12,783,742.83

Finding the Fourth Proportional to 22,703,448.95, 31,331,778.23 and 12,783,742.83

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Solution

The fourth proportional to 22,703,448.95, 31,331,778.23 and 12,783,742.83 is: 17,642,138.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,703,448.95 : 31,331,778.23 = 12,783,742.83 : x
  2. Step 2: Convert to fraction form
    22,703,448.95/31,331,778.23 = 12,783,742.83/x
  3. Step 3: Cross multiply
    22,703,448.95x = 31,331,778.23 × 12,783,742.83
  4. Step 4: Simplify right side
    22,703,448.95x = 400,537,395,234,993.88
  5. Step 5: Solve for x
    x = 400,537,395,234,993.88/22,703,448.95
  6. Step 6: Final answer
    x = 17,642,138.70

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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.