Home / 14,503,899.20-21,772,610.40-7,785,435.20

Finding the Fourth Proportional to 14,503,899.20, 21,772,610.40 and 7,785,435.20

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Solution

The fourth proportional to 14,503,899.20, 21,772,610.40 and 7,785,435.20 is: 11,687,150.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,503,899.20 : 21,772,610.40 = 7,785,435.20 : x
  2. Step 2: Convert to fraction form
    14,503,899.20/21,772,610.40 = 7,785,435.20/x
  3. Step 3: Cross multiply
    14,503,899.20x = 21,772,610.40 × 7,785,435.20
  4. Step 4: Simplify right side
    14,503,899.20x = 169,509,247,404,046.06
  5. Step 5: Solve for x
    x = 169,509,247,404,046.06/14,503,899.20
  6. Step 6: Final answer
    x = 11,687,150.13

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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.