Home / 31,890,827.76-47,843,844.30-10,325,435.82

Finding the Fourth Proportional to 31,890,827.76, 47,843,844.30 and 10,325,435.82

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Solution

The fourth proportional to 31,890,827.76, 47,843,844.30 and 10,325,435.82 is: 15,490,615.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,890,827.76 : 47,843,844.30 = 10,325,435.82 : x
  2. Step 2: Convert to fraction form
    31,890,827.76/47,843,844.30 = 10,325,435.82/x
  3. Step 3: Cross multiply
    31,890,827.76x = 47,843,844.30 × 10,325,435.82
  4. Step 4: Simplify right side
    31,890,827.76x = 494,008,543,701,722.81
  5. Step 5: Solve for x
    x = 494,008,543,701,722.81/31,890,827.76
  6. Step 6: Final answer
    x = 15,490,615.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.