Home / 15,366,481.18-21,205,737.03-8,490,903.10

Finding the Fourth Proportional to 15,366,481.18, 21,205,737.03 and 8,490,903.10

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Solution

The fourth proportional to 15,366,481.18, 21,205,737.03 and 8,490,903.10 is: 11,717,442.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,366,481.18 : 21,205,737.03 = 8,490,903.10 : x
  2. Step 2: Convert to fraction form
    15,366,481.18/21,205,737.03 = 8,490,903.10/x
  3. Step 3: Cross multiply
    15,366,481.18x = 21,205,737.03 × 8,490,903.10
  4. Step 4: Simplify right side
    15,366,481.18x = 180,055,858,285,811.78
  5. Step 5: Solve for x
    x = 180,055,858,285,811.78/15,366,481.18
  6. Step 6: Final answer
    x = 11,717,442.41

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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.