Home / 47,645,921.92-65,757,209.52-28,065,798.40

Finding the Fourth Proportional to 47,645,921.92, 65,757,209.52 and 28,065,798.40

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Solution

The fourth proportional to 47,645,921.92, 65,757,209.52 and 28,065,798.40 is: 38,734,240.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,645,921.92 : 65,757,209.52 = 28,065,798.40 : x
  2. Step 2: Convert to fraction form
    47,645,921.92/65,757,209.52 = 28,065,798.40/x
  3. Step 3: Cross multiply
    47,645,921.92x = 65,757,209.52 × 28,065,798.40
  4. Step 4: Simplify right side
    47,645,921.92x = 1,845,528,585,734,880.75
  5. Step 5: Solve for x
    x = 1,845,528,585,734,880.75/47,645,921.92
  6. Step 6: Final answer
    x = 38,734,240.23

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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.