Home / 13,477,130.10-20,215,695.15-12,021,462.90

Finding the Fourth Proportional to 13,477,130.10, 20,215,695.15 and 12,021,462.90

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Solution

The fourth proportional to 13,477,130.10, 20,215,695.15 and 12,021,462.90 is: 18,032,194.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,477,130.10 : 20,215,695.15 = 12,021,462.90 : x
  2. Step 2: Convert to fraction form
    13,477,130.10/20,215,695.15 = 12,021,462.90/x
  3. Step 3: Cross multiply
    13,477,130.10x = 20,215,695.15 × 12,021,462.90
  4. Step 4: Simplify right side
    13,477,130.10x = 243,022,229,243,434.94
  5. Step 5: Solve for x
    x = 243,022,229,243,434.94/13,477,130.10
  6. Step 6: Final answer
    x = 18,032,194.35

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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.