Home / 38,041,885.83-52,497,904.19-20,638,231.05

Finding the Fourth Proportional to 38,041,885.83, 52,497,904.19 and 20,638,231.05

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Solution

The fourth proportional to 38,041,885.83, 52,497,904.19 and 20,638,231.05 is: 28,480,814.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,041,885.83 : 52,497,904.19 = 20,638,231.05 : x
  2. Step 2: Convert to fraction form
    38,041,885.83/52,497,904.19 = 20,638,231.05/x
  3. Step 3: Cross multiply
    38,041,885.83x = 52,497,904.19 × 20,638,231.05
  4. Step 4: Simplify right side
    38,041,885.83x = 1,083,463,876,313,983.12
  5. Step 5: Solve for x
    x = 1,083,463,876,313,983.12/38,041,885.83
  6. Step 6: Final answer
    x = 28,480,814.05

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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.