Home / 7,836,779.40-11,755,169.10-5,285,862.60

Finding the Fourth Proportional to 7,836,779.40, 11,755,169.10 and 5,285,862.60

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Solution

The fourth proportional to 7,836,779.40, 11,755,169.10 and 5,285,862.60 is: 7,928,793.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,836,779.40 : 11,755,169.10 = 5,285,862.60 : x
  2. Step 2: Convert to fraction form
    7,836,779.40/11,755,169.10 = 5,285,862.60/x
  3. Step 3: Cross multiply
    7,836,779.40x = 11,755,169.10 × 5,285,862.60
  4. Step 4: Simplify right side
    7,836,779.40x = 62,136,208,702,365.66
  5. Step 5: Solve for x
    x = 62,136,208,702,365.66/7,836,779.40
  6. Step 6: Final answer
    x = 7,928,793.90

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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.