Home / 13,763,915.10-20,645,872.65-4,788,467.10

Finding the Fourth Proportional to 13,763,915.10, 20,645,872.65 and 4,788,467.10

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Solution

The fourth proportional to 13,763,915.10, 20,645,872.65 and 4,788,467.10 is: 7,182,700.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,763,915.10 : 20,645,872.65 = 4,788,467.10 : x
  2. Step 2: Convert to fraction form
    13,763,915.10/20,645,872.65 = 4,788,467.10/x
  3. Step 3: Cross multiply
    13,763,915.10x = 20,645,872.65 × 4,788,467.10
  4. Step 4: Simplify right side
    13,763,915.10x = 98,862,081,935,314.80
  5. Step 5: Solve for x
    x = 98,862,081,935,314.80/13,763,915.10
  6. Step 6: Final answer
    x = 7,182,700.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.