Home / 36,698,412.20-50,642,512.56-20,178,421.10

Finding the Fourth Proportional to 36,698,412.20, 50,642,512.56 and 20,178,421.10

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Solution

The fourth proportional to 36,698,412.20, 50,642,512.56 and 20,178,421.10 is: 27,845,508.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,698,412.20 : 50,642,512.56 = 20,178,421.10 : x
  2. Step 2: Convert to fraction form
    36,698,412.20/50,642,512.56 = 20,178,421.10/x
  3. Step 3: Cross multiply
    36,698,412.20x = 50,642,512.56 × 20,178,421.10
  4. Step 4: Simplify right side
    36,698,412.20x = 1,021,885,943,997,719.12
  5. Step 5: Solve for x
    x = 1,021,885,943,997,719.12/36,698,412.20
  6. Step 6: Final answer
    x = 27,845,508.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.