Home / 36,906,720.40-55,360,080.60-9,980,376.40

Finding the Fourth Proportional to 36,906,720.40, 55,360,080.60 and 9,980,376.40

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Solution

The fourth proportional to 36,906,720.40, 55,360,080.60 and 9,980,376.40 is: 14,970,564.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,906,720.40 : 55,360,080.60 = 9,980,376.40 : x
  2. Step 2: Convert to fraction form
    36,906,720.40/55,360,080.60 = 9,980,376.40/x
  3. Step 3: Cross multiply
    36,906,720.40x = 55,360,080.60 × 9,980,376.40
  4. Step 4: Simplify right side
    36,906,720.40x = 552,514,441,922,337.88
  5. Step 5: Solve for x
    x = 552,514,441,922,337.88/36,906,720.40
  6. Step 6: Final answer
    x = 14,970,564.60

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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.