Home / 20,954,877.58-31,432,325.01-9,426,879.69

Finding the Fourth Proportional to 20,954,877.58, 31,432,325.01 and 9,426,879.69

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Solution

The fourth proportional to 20,954,877.58, 31,432,325.01 and 9,426,879.69 is: 14,140,323.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,954,877.58 : 31,432,325.01 = 9,426,879.69 : x
  2. Step 2: Convert to fraction form
    20,954,877.58/31,432,325.01 = 9,426,879.69/x
  3. Step 3: Cross multiply
    20,954,877.58x = 31,432,325.01 × 9,426,879.69
  4. Step 4: Simplify right side
    20,954,877.58x = 296,308,746,246,248.06
  5. Step 5: Solve for x
    x = 296,308,746,246,248.06/20,954,877.58
  6. Step 6: Final answer
    x = 14,140,323.42

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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.