Home / 31,056,712.86-42,858,433.22-18,011,705.79

Finding the Fourth Proportional to 31,056,712.86, 42,858,433.22 and 18,011,705.79

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Solution

The fourth proportional to 31,056,712.86, 42,858,433.22 and 18,011,705.79 is: 24,856,252.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,056,712.86 : 42,858,433.22 = 18,011,705.79 : x
  2. Step 2: Convert to fraction form
    31,056,712.86/42,858,433.22 = 18,011,705.79/x
  3. Step 3: Cross multiply
    31,056,712.86x = 42,858,433.22 × 18,011,705.79
  4. Step 4: Simplify right side
    31,056,712.86x = 771,953,489,688,943.88
  5. Step 5: Solve for x
    x = 771,953,489,688,943.88/31,056,712.86
  6. Step 6: Final answer
    x = 24,856,252.28

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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.