Home / 39,684,739.20-59,527,108.80-28,263,350.40

Finding the Fourth Proportional to 39,684,739.20, 59,527,108.80 and 28,263,350.40

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Solution

The fourth proportional to 39,684,739.20, 59,527,108.80 and 28,263,350.40 is: 42,395,025.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,684,739.20 : 59,527,108.80 = 28,263,350.40 : x
  2. Step 2: Convert to fraction form
    39,684,739.20/59,527,108.80 = 28,263,350.40/x
  3. Step 3: Cross multiply
    39,684,739.20x = 59,527,108.80 × 28,263,350.40
  4. Step 4: Simplify right side
    39,684,739.20x = 1,682,435,534,313,323.25
  5. Step 5: Solve for x
    x = 1,682,435,534,313,323.25/39,684,739.20
  6. Step 6: Final answer
    x = 42,395,025.60

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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.