Home / 13,842,342.10-20,763,513.15-8,173,638.10

Finding the Fourth Proportional to 13,842,342.10, 20,763,513.15 and 8,173,638.10

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Solution

The fourth proportional to 13,842,342.10, 20,763,513.15 and 8,173,638.10 is: 12,260,457.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,842,342.10 : 20,763,513.15 = 8,173,638.10 : x
  2. Step 2: Convert to fraction form
    13,842,342.10/20,763,513.15 = 8,173,638.10/x
  3. Step 3: Cross multiply
    13,842,342.10x = 20,763,513.15 × 8,173,638.10
  4. Step 4: Simplify right side
    13,842,342.10x = 169,713,442,172,691
  5. Step 5: Solve for x
    x = 169,713,442,172,691/13,842,342.10
  6. Step 6: Final answer
    x = 12,260,457.15

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Similar ratio
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1.5x scale

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.