Home / 12,453,906.60-18,688,733.10-7,336,326.60

Finding the Fourth Proportional to 12,453,906.60, 18,688,733.10 and 7,336,326.60

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Solution

The fourth proportional to 12,453,906.60, 18,688,733.10 and 7,336,326.60 is: 11,009,127.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,453,906.60 : 18,688,733.10 = 7,336,326.60 : x
  2. Step 2: Convert to fraction form
    12,453,906.60/18,688,733.10 = 7,336,326.60/x
  3. Step 3: Cross multiply
    12,453,906.60x = 18,688,733.10 × 7,336,326.60
  4. Step 4: Simplify right side
    12,453,906.60x = 137,106,649,761,830.47
  5. Step 5: Solve for x
    x = 137,106,649,761,830.47/12,453,906.60
  6. Step 6: Final answer
    x = 11,009,127.83

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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.