Home / 6,415,931.25-8,851,805.42-3,660,639.30

Finding the Fourth Proportional to 6,415,931.25, 8,851,805.42 and 3,660,639.30

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Solution

The fourth proportional to 6,415,931.25, 8,851,805.42 and 3,660,639.30 is: 5,050,438.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,415,931.25 : 8,851,805.42 = 3,660,639.30 : x
  2. Step 2: Convert to fraction form
    6,415,931.25/8,851,805.42 = 3,660,639.30/x
  3. Step 3: Cross multiply
    6,415,931.25x = 8,851,805.42 × 3,660,639.30
  4. Step 4: Simplify right side
    6,415,931.25x = 32,403,266,778,101.80
  5. Step 5: Solve for x
    x = 32,403,266,778,101.80/6,415,931.25
  6. Step 6: Final answer
    x = 5,050,438.59

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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.