Home / 6,782,330.12-10,175,070.86-1,989,825.80

Finding the Fourth Proportional to 6,782,330.12, 10,175,070.86 and 1,989,825.80

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Solution

The fourth proportional to 6,782,330.12, 10,175,070.86 and 1,989,825.80 is: 2,985,200.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,782,330.12 : 10,175,070.86 = 1,989,825.80 : x
  2. Step 2: Convert to fraction form
    6,782,330.12/10,175,070.86 = 1,989,825.80/x
  3. Step 3: Cross multiply
    6,782,330.12x = 10,175,070.86 × 1,989,825.80
  4. Step 4: Simplify right side
    6,782,330.12x = 20,246,618,514,056.19
  5. Step 5: Solve for x
    x = 20,246,618,514,056.19/6,782,330.12
  6. Step 6: Final answer
    x = 2,985,200.98

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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.