Home / 10,851,779.40-16,277,669.10-8,340,112.20

Finding the Fourth Proportional to 10,851,779.40, 16,277,669.10 and 8,340,112.20

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Solution

The fourth proportional to 10,851,779.40, 16,277,669.10 and 8,340,112.20 is: 12,510,168.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,851,779.40 : 16,277,669.10 = 8,340,112.20 : x
  2. Step 2: Convert to fraction form
    10,851,779.40/16,277,669.10 = 8,340,112.20/x
  3. Step 3: Cross multiply
    10,851,779.40x = 16,277,669.10 × 8,340,112.20
  4. Step 4: Simplify right side
    10,851,779.40x = 135,757,586,648,473.02
  5. Step 5: Solve for x
    x = 135,757,586,648,473.02/10,851,779.40
  6. Step 6: Final answer
    x = 12,510,168.30

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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.