Home / 17,968,458.80-26,952,688.20-5,189,380.40

Finding the Fourth Proportional to 17,968,458.80, 26,952,688.20 and 5,189,380.40

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Solution

The fourth proportional to 17,968,458.80, 26,952,688.20 and 5,189,380.40 is: 7,784,070.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,968,458.80 : 26,952,688.20 = 5,189,380.40 : x
  2. Step 2: Convert to fraction form
    17,968,458.80/26,952,688.20 = 5,189,380.40/x
  3. Step 3: Cross multiply
    17,968,458.80x = 26,952,688.20 × 5,189,380.40
  4. Step 4: Simplify right side
    17,968,458.80x = 139,867,751,872,391.28
  5. Step 5: Solve for x
    x = 139,867,751,872,391.28/17,968,458.80
  6. Step 6: Final answer
    x = 7,784,070.60

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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.