Home / 20,858,026.60-31,287,039.90-14,487,927.40

Finding the Fourth Proportional to 20,858,026.60, 31,287,039.90 and 14,487,927.40

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Solution

The fourth proportional to 20,858,026.60, 31,287,039.90 and 14,487,927.40 is: 21,731,891.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,858,026.60 : 31,287,039.90 = 14,487,927.40 : x
  2. Step 2: Convert to fraction form
    20,858,026.60/31,287,039.90 = 14,487,927.40/x
  3. Step 3: Cross multiply
    20,858,026.60x = 31,287,039.90 × 14,487,927.40
  4. Step 4: Simplify right side
    20,858,026.60x = 453,284,362,632,103.25
  5. Step 5: Solve for x
    x = 453,284,362,632,103.25/20,858,026.60
  6. Step 6: Final answer
    x = 21,731,891.10

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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.