Home / 38,061,467.36-52,524,874.20-20,657,810.72

Finding the Fourth Proportional to 38,061,467.36, 52,524,874.20 and 20,657,810.72

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Solution

The fourth proportional to 38,061,467.36, 52,524,874.20 and 20,657,810.72 is: 28,507,805.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,061,467.36 : 52,524,874.20 = 20,657,810.72 : x
  2. Step 2: Convert to fraction form
    38,061,467.36/52,524,874.20 = 20,657,810.72/x
  3. Step 3: Cross multiply
    38,061,467.36x = 52,524,874.20 × 20,657,810.72
  4. Step 4: Simplify right side
    38,061,467.36x = 1,085,048,909,315,411.38
  5. Step 5: Solve for x
    x = 1,085,048,909,315,411.38/38,061,467.36
  6. Step 6: Final answer
    x = 28,507,805.52

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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.