Home / 12,116,670.40-18,150,511.20-7,553,713.60

Finding the Fourth Proportional to 12,116,670.40, 18,150,511.20 and 7,553,713.60

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Solution

The fourth proportional to 12,116,670.40, 18,150,511.20 and 7,553,713.60 is: 11,315,300.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,116,670.40 : 18,150,511.20 = 7,553,713.60 : x
  2. Step 2: Convert to fraction form
    12,116,670.40/18,150,511.20 = 7,553,713.60/x
  3. Step 3: Cross multiply
    12,116,670.40x = 18,150,511.20 × 7,553,713.60
  4. Step 4: Simplify right side
    12,116,670.40x = 137,103,763,298,392.31
  5. Step 5: Solve for x
    x = 137,103,763,298,392.31/12,116,670.40
  6. Step 6: Final answer
    x = 11,315,300.22

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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.