Home / 10,779,512.80-16,169,528.40-3,206,725.60

Finding the Fourth Proportional to 10,779,512.80, 16,169,528.40 and 3,206,725.60

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Solution

The fourth proportional to 10,779,512.80, 16,169,528.40 and 3,206,725.60 is: 4,810,165.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779,512.80 : 16,169,528.40 = 3,206,725.60 : x
  2. Step 2: Convert to fraction form
    10,779,512.80/16,169,528.40 = 3,206,725.60/x
  3. Step 3: Cross multiply
    10,779,512.80x = 16,169,528.40 × 3,206,725.60
  4. Step 4: Simplify right side
    10,779,512.80x = 51,851,240,660,207.04
  5. Step 5: Solve for x
    x = 51,851,240,660,207.04/10,779,512.80
  6. Step 6: Final answer
    x = 4,810,165.51

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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.