Home / 47,206,568.61-65,127,784.10-28,608,291.86

Finding the Fourth Proportional to 47,206,568.61, 65,127,784.10 and 28,608,291.86

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Solution

The fourth proportional to 47,206,568.61, 65,127,784.10 and 28,608,291.86 is: 39,468,970.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,206,568.61 : 65,127,784.10 = 28,608,291.86 : x
  2. Step 2: Convert to fraction form
    47,206,568.61/65,127,784.10 = 28,608,291.86/x
  3. Step 3: Cross multiply
    47,206,568.61x = 65,127,784.10 × 28,608,291.86
  4. Step 4: Simplify right side
    47,206,568.61x = 1,863,194,655,259,187
  5. Step 5: Solve for x
    x = 1,863,194,655,259,187/47,206,568.61
  6. Step 6: Final answer
    x = 39,468,970.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.