Home / 11,455,940.80-17,183,911.20-9,897,047.20

Finding the Fourth Proportional to 11,455,940.80, 17,183,911.20 and 9,897,047.20

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Solution

The fourth proportional to 11,455,940.80, 17,183,911.20 and 9,897,047.20 is: 14,845,570.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,455,940.80 : 17,183,911.20 = 9,897,047.20 : x
  2. Step 2: Convert to fraction form
    11,455,940.80/17,183,911.20 = 9,897,047.20/x
  3. Step 3: Cross multiply
    11,455,940.80x = 17,183,911.20 × 9,897,047.20
  4. Step 4: Simplify right side
    11,455,940.80x = 170,069,980,227,008.62
  5. Step 5: Solve for x
    x = 170,069,980,227,008.62/11,455,940.80
  6. Step 6: Final answer
    x = 14,845,570.80

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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.