Home / 6,415,872.60-9,623,808.90-5,990,719.80

Finding the Fourth Proportional to 6,415,872.60, 9,623,808.90 and 5,990,719.80

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Solution

The fourth proportional to 6,415,872.60, 9,623,808.90 and 5,990,719.80 is: 8,986,079.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,415,872.60 : 9,623,808.90 = 5,990,719.80 : x
  2. Step 2: Convert to fraction form
    6,415,872.60/9,623,808.90 = 5,990,719.80/x
  3. Step 3: Cross multiply
    6,415,872.60x = 9,623,808.90 × 5,990,719.80
  4. Step 4: Simplify right side
    6,415,872.60x = 57,653,542,528,646.22
  5. Step 5: Solve for x
    x = 57,653,542,528,646.22/6,415,872.60
  6. Step 6: Final answer
    x = 8,986,079.70

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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.