Home / 7,389,865.80-11,066,136.30-4,851,779.40

Finding the Fourth Proportional to 7,389,865.80, 11,066,136.30 and 4,851,779.40

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Solution

The fourth proportional to 7,389,865.80, 11,066,136.30 and 4,851,779.40 is: 7,265,416.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,389,865.80 : 11,066,136.30 = 4,851,779.40 : x
  2. Step 2: Convert to fraction form
    7,389,865.80/11,066,136.30 = 4,851,779.40/x
  3. Step 3: Cross multiply
    7,389,865.80x = 11,066,136.30 × 4,851,779.40
  4. Step 4: Simplify right side
    7,389,865.80x = 53,690,452,137,932.23
  5. Step 5: Solve for x
    x = 53,690,452,137,932.23/7,389,865.80
  6. Step 6: Final answer
    x = 7,265,416.39

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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.