Home / 20,954,876.58-31,432,323.51-9,426,878.69

Finding the Fourth Proportional to 20,954,876.58, 31,432,323.51 and 9,426,878.69

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Solution

The fourth proportional to 20,954,876.58, 31,432,323.51 and 9,426,878.69 is: 14,140,321.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,954,876.58 : 31,432,323.51 = 9,426,878.69 : x
  2. Step 2: Convert to fraction form
    20,954,876.58/31,432,323.51 = 9,426,878.69/x
  3. Step 3: Cross multiply
    20,954,876.58x = 31,432,323.51 × 9,426,878.69
  4. Step 4: Simplify right side
    20,954,876.58x = 296,308,700,516,443.44
  5. Step 5: Solve for x
    x = 296,308,700,516,443.44/20,954,876.58
  6. Step 6: Final answer
    x = 14,140,321.91

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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.