Home / 12,456,651.40-18,684,977.10-7,333,822.60

Finding the Fourth Proportional to 12,456,651.40, 18,684,977.10 and 7,333,822.60

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Solution

The fourth proportional to 12,456,651.40, 18,684,977.10 and 7,333,822.60 is: 11,000,733.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,456,651.40 : 18,684,977.10 = 7,333,822.60 : x
  2. Step 2: Convert to fraction form
    12,456,651.40/18,684,977.10 = 7,333,822.60/x
  3. Step 3: Cross multiply
    12,456,651.40x = 18,684,977.10 × 7,333,822.60
  4. Step 4: Simplify right side
    12,456,651.40x = 137,032,307,336,462.47
  5. Step 5: Solve for x
    x = 137,032,307,336,462.47/12,456,651.40
  6. Step 6: Final answer
    x = 11,000,733.90

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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.