Home / 35,818,173.12-49,429,249.20-20,349,106.56

Finding the Fourth Proportional to 35,818,173.12, 49,429,249.20 and 20,349,106.56

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Solution

The fourth proportional to 35,818,173.12, 49,429,249.20 and 20,349,106.56 is: 28,081,863.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,818,173.12 : 49,429,249.20 = 20,349,106.56 : x
  2. Step 2: Convert to fraction form
    35,818,173.12/49,429,249.20 = 20,349,106.56/x
  3. Step 3: Cross multiply
    35,818,173.12x = 49,429,249.20 × 20,349,106.56
  4. Step 4: Simplify right side
    35,818,173.12x = 1,005,841,059,151,594.75
  5. Step 5: Solve for x
    x = 1,005,841,059,151,594.75/35,818,173.12
  6. Step 6: Final answer
    x = 28,081,863.80

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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.