Home / 7,065,136.80-9,750,124.02-3,968,205.08

Finding the Fourth Proportional to 7,065,136.80, 9,750,124.02 and 3,968,205.08

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Solution

The fourth proportional to 7,065,136.80, 9,750,124.02 and 3,968,205.08 is: 5,476,255.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,065,136.80 : 9,750,124.02 = 3,968,205.08 : x
  2. Step 2: Convert to fraction form
    7,065,136.80/9,750,124.02 = 3,968,205.08/x
  3. Step 3: Cross multiply
    7,065,136.80x = 9,750,124.02 × 3,968,205.08
  4. Step 4: Simplify right side
    7,065,136.80x = 38,690,491,666,794.02
  5. Step 5: Solve for x
    x = 38,690,491,666,794.02/7,065,136.80
  6. Step 6: Final answer
    x = 5,476,255.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.