Home / 11,190,977.80-16,786,466.70-9,868,280.20

Finding the Fourth Proportional to 11,190,977.80, 16,786,466.70 and 9,868,280.20

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Solution

The fourth proportional to 11,190,977.80, 16,786,466.70 and 9,868,280.20 is: 14,802,420.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,190,977.80 : 16,786,466.70 = 9,868,280.20 : x
  2. Step 2: Convert to fraction form
    11,190,977.80/16,786,466.70 = 9,868,280.20/x
  3. Step 3: Cross multiply
    11,190,977.80x = 16,786,466.70 × 9,868,280.20
  4. Step 4: Simplify right side
    11,190,977.80x = 165,653,556,963,569.31
  5. Step 5: Solve for x
    x = 165,653,556,963,569.31/11,190,977.80
  6. Step 6: Final answer
    x = 14,802,420.30

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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.