Home / 11,190,739.10-16,786,108.65-10,308,940.70

Finding the Fourth Proportional to 11,190,739.10, 16,786,108.65 and 10,308,940.70

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Solution

The fourth proportional to 11,190,739.10, 16,786,108.65 and 10,308,940.70 is: 15,463,411.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,190,739.10 : 16,786,108.65 = 10,308,940.70 : x
  2. Step 2: Convert to fraction form
    11,190,739.10/16,786,108.65 = 10,308,940.70/x
  3. Step 3: Cross multiply
    11,190,739.10x = 16,786,108.65 × 10,308,940.70
  4. Step 4: Simplify right side
    11,190,739.10x = 173,046,998,656,607.03
  5. Step 5: Solve for x
    x = 173,046,998,656,607.03/11,190,739.10
  6. Step 6: Final answer
    x = 15,463,411.05

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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.