Home / 20,698,968.60-31,048,452.90-7,067,506.95

Finding the Fourth Proportional to 20,698,968.60, 31,048,452.90 and 7,067,506.95

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Solution

The fourth proportional to 20,698,968.60, 31,048,452.90 and 7,067,506.95 is: 10,601,260.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,698,968.60 : 31,048,452.90 = 7,067,506.95 : x
  2. Step 2: Convert to fraction form
    20,698,968.60/31,048,452.90 = 7,067,506.95/x
  3. Step 3: Cross multiply
    20,698,968.60x = 31,048,452.90 × 7,067,506.95
  4. Step 4: Simplify right side
    20,698,968.60x = 219,435,156,657,497.66
  5. Step 5: Solve for x
    x = 219,435,156,657,497.66/20,698,968.60
  6. Step 6: Final answer
    x = 10,601,260.43

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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.