Home / 28,171,946.80-42,257,920.20-27,605,076.40

Finding the Fourth Proportional to 28,171,946.80, 42,257,920.20 and 27,605,076.40

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Solution

The fourth proportional to 28,171,946.80, 42,257,920.20 and 27,605,076.40 is: 41,407,614.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,171,946.80 : 42,257,920.20 = 27,605,076.40 : x
  2. Step 2: Convert to fraction form
    28,171,946.80/42,257,920.20 = 27,605,076.40/x
  3. Step 3: Cross multiply
    28,171,946.80x = 42,257,920.20 × 27,605,076.40
  4. Step 4: Simplify right side
    28,171,946.80x = 1,166,533,115,626,103.25
  5. Step 5: Solve for x
    x = 1,166,533,115,626,103.25/28,171,946.80
  6. Step 6: Final answer
    x = 41,407,614.60

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1.5x scale

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.