Home / 38,061,168.10-52,524,915.86-20,657,721.94

Finding the Fourth Proportional to 38,061,168.10, 52,524,915.86 and 20,657,721.94

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Solution

The fourth proportional to 38,061,168.10, 52,524,915.86 and 20,657,721.94 is: 28,507,929.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,061,168.10 : 52,524,915.86 = 20,657,721.94 : x
  2. Step 2: Convert to fraction form
    38,061,168.10/52,524,915.86 = 20,657,721.94/x
  3. Step 3: Cross multiply
    38,061,168.10x = 52,524,915.86 × 20,657,721.94
  4. Step 4: Simplify right side
    38,061,168.10x = 1,085,045,106,561,908.38
  5. Step 5: Solve for x
    x = 1,085,045,106,561,908.38/38,061,168.10
  6. Step 6: Final answer
    x = 28,507,929.76

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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.