Home / 37,476,979.20-56,215,468.80-18,320,025.60

Finding the Fourth Proportional to 37,476,979.20, 56,215,468.80 and 18,320,025.60

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Solution

The fourth proportional to 37,476,979.20, 56,215,468.80 and 18,320,025.60 is: 27,480,038.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,476,979.20 : 56,215,468.80 = 18,320,025.60 : x
  2. Step 2: Convert to fraction form
    37,476,979.20/56,215,468.80 = 18,320,025.60/x
  3. Step 3: Cross multiply
    37,476,979.20x = 56,215,468.80 × 18,320,025.60
  4. Step 4: Simplify right side
    37,476,979.20x = 1,029,868,827,532,001.25
  5. Step 5: Solve for x
    x = 1,029,868,827,532,001.25/37,476,979.20
  6. Step 6: Final answer
    x = 27,480,038.40

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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.