Home / 26,375,998.40-39,563,997.60-19,909,476.80

Finding the Fourth Proportional to 26,375,998.40, 39,563,997.60 and 19,909,476.80

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Solution

The fourth proportional to 26,375,998.40, 39,563,997.60 and 19,909,476.80 is: 29,864,215.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,375,998.40 : 39,563,997.60 = 19,909,476.80 : x
  2. Step 2: Convert to fraction form
    26,375,998.40/39,563,997.60 = 19,909,476.80/x
  3. Step 3: Cross multiply
    26,375,998.40x = 39,563,997.60 × 19,909,476.80
  4. Step 4: Simplify right side
    26,375,998.40x = 787,698,492,332,455.75
  5. Step 5: Solve for x
    x = 787,698,492,332,455.75/26,375,998.40
  6. Step 6: Final answer
    x = 29,864,215.20

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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.