Home / 19,997,108.40-29,995,662.60-18,422,468.40

Finding the Fourth Proportional to 19,997,108.40, 29,995,662.60 and 18,422,468.40

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Solution

The fourth proportional to 19,997,108.40, 29,995,662.60 and 18,422,468.40 is: 27,633,702.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,997,108.40 : 29,995,662.60 = 18,422,468.40 : x
  2. Step 2: Convert to fraction form
    19,997,108.40/29,995,662.60 = 18,422,468.40/x
  3. Step 3: Cross multiply
    19,997,108.40x = 29,995,662.60 × 18,422,468.40
  4. Step 4: Simplify right side
    19,997,108.40x = 552,594,146,385,561.81
  5. Step 5: Solve for x
    x = 552,594,146,385,561.81/19,997,108.40
  6. Step 6: Final answer
    x = 27,633,702.60

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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.