Home / 13,372,004.10-20,058,006.15-12,468,554.40

Finding the Fourth Proportional to 13,372,004.10, 20,058,006.15 and 12,468,554.40

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Solution

The fourth proportional to 13,372,004.10, 20,058,006.15 and 12,468,554.40 is: 18,702,831.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,372,004.10 : 20,058,006.15 = 12,468,554.40 : x
  2. Step 2: Convert to fraction form
    13,372,004.10/20,058,006.15 = 12,468,554.40/x
  3. Step 3: Cross multiply
    13,372,004.10x = 20,058,006.15 × 12,468,554.40
  4. Step 4: Simplify right side
    13,372,004.10x = 250,094,340,836,809.56
  5. Step 5: Solve for x
    x = 250,094,340,836,809.56/13,372,004.10
  6. Step 6: Final answer
    x = 18,702,831.60

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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.