Home / 7,968,124.80-11,952,187.20-1,984,492.80

Finding the Fourth Proportional to 7,968,124.80, 11,952,187.20 and 1,984,492.80

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Solution

The fourth proportional to 7,968,124.80, 11,952,187.20 and 1,984,492.80 is: 2,976,739.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,968,124.80 : 11,952,187.20 = 1,984,492.80 : x
  2. Step 2: Convert to fraction form
    7,968,124.80/11,952,187.20 = 1,984,492.80/x
  3. Step 3: Cross multiply
    7,968,124.80x = 11,952,187.20 × 1,984,492.80
  4. Step 4: Simplify right side
    7,968,124.80x = 23,719,029,442,652.16
  5. Step 5: Solve for x
    x = 23,719,029,442,652.16/7,968,124.80
  6. Step 6: Final answer
    x = 2,976,739.20

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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.