Home / 15,290,785.22-21,096,533.57-8,674,284.60

Finding the Fourth Proportional to 15,290,785.22, 21,096,533.57 and 8,674,284.60

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Solution

The fourth proportional to 15,290,785.22, 21,096,533.57 and 8,674,284.60 is: 11,967,818.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,290,785.22 : 21,096,533.57 = 8,674,284.60 : x
  2. Step 2: Convert to fraction form
    15,290,785.22/21,096,533.57 = 8,674,284.60/x
  3. Step 3: Cross multiply
    15,290,785.22x = 21,096,533.57 × 8,674,284.60
  4. Step 4: Simplify right side
    15,290,785.22x = 182,997,336,216,262.59
  5. Step 5: Solve for x
    x = 182,997,336,216,262.59/15,290,785.22
  6. Step 6: Final answer
    x = 11,967,818.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.