Home / 26,299,291.60-39,448,937.40-12,143,515.60

Finding the Fourth Proportional to 26,299,291.60, 39,448,937.40 and 12,143,515.60

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Solution

The fourth proportional to 26,299,291.60, 39,448,937.40 and 12,143,515.60 is: 18,215,273.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,299,291.60 : 39,448,937.40 = 12,143,515.60 : x
  2. Step 2: Convert to fraction form
    26,299,291.60/39,448,937.40 = 12,143,515.60/x
  3. Step 3: Cross multiply
    26,299,291.60x = 39,448,937.40 × 12,143,515.60
  4. Step 4: Simplify right side
    26,299,291.60x = 479,048,786,720,323.44
  5. Step 5: Solve for x
    x = 479,048,786,720,323.44/26,299,291.60
  6. Step 6: Final answer
    x = 18,215,273.40

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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.