Home / 31,979,112.70-47,968,677.33-8,953,439.53

Finding the Fourth Proportional to 31,979,112.70, 47,968,677.33 and 8,953,439.53

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Solution

The fourth proportional to 31,979,112.70, 47,968,677.33 and 8,953,439.53 is: 13,430,161.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,979,112.70 : 47,968,677.33 = 8,953,439.53 : x
  2. Step 2: Convert to fraction form
    31,979,112.70/47,968,677.33 = 8,953,439.53/x
  3. Step 3: Cross multiply
    31,979,112.70x = 47,968,677.33 × 8,953,439.53
  4. Step 4: Simplify right side
    31,979,112.70x = 429,484,651,808,236.81
  5. Step 5: Solve for x
    x = 429,484,651,808,236.81/31,979,112.70
  6. Step 6: Final answer
    x = 13,430,161.61

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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.