Home / 20,877,074.28-31,320,116.10-6,302,784.60

Finding the Fourth Proportional to 20,877,074.28, 31,320,116.10 and 6,302,784.60

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Solution

The fourth proportional to 20,877,074.28, 31,320,116.10 and 6,302,784.60 is: 9,455,536.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,877,074.28 : 31,320,116.10 = 6,302,784.60 : x
  2. Step 2: Convert to fraction form
    20,877,074.28/31,320,116.10 = 6,302,784.60/x
  3. Step 3: Cross multiply
    20,877,074.28x = 31,320,116.10 × 6,302,784.60
  4. Step 4: Simplify right side
    20,877,074.28x = 197,403,945,425,292.06
  5. Step 5: Solve for x
    x = 197,403,945,425,292.06/20,877,074.28
  6. Step 6: Final answer
    x = 9,455,536.86

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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.