Home / 20,954,878.52-31,432,326.48-9,426,880.62

Finding the Fourth Proportional to 20,954,878.52, 31,432,326.48 and 9,426,880.62

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Solution

The fourth proportional to 20,954,878.52, 31,432,326.48 and 9,426,880.62 is: 14,140,324.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,954,878.52 : 31,432,326.48 = 9,426,880.62 : x
  2. Step 2: Convert to fraction form
    20,954,878.52/31,432,326.48 = 9,426,880.62/x
  3. Step 3: Cross multiply
    20,954,878.52x = 31,432,326.48 × 9,426,880.62
  4. Step 4: Simplify right side
    20,954,878.52x = 296,308,789,335,824.81
  5. Step 5: Solve for x
    x = 296,308,789,335,824.81/20,954,878.52
  6. Step 6: Final answer
    x = 14,140,324.85

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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.