Home / 13,248,234.10-19,872,351.15-12,291,640.30

Finding the Fourth Proportional to 13,248,234.10, 19,872,351.15 and 12,291,640.30

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Solution

The fourth proportional to 13,248,234.10, 19,872,351.15 and 12,291,640.30 is: 18,437,460.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,248,234.10 : 19,872,351.15 = 12,291,640.30 : x
  2. Step 2: Convert to fraction form
    13,248,234.10/19,872,351.15 = 12,291,640.30/x
  3. Step 3: Cross multiply
    13,248,234.10x = 19,872,351.15 × 12,291,640.30
  4. Step 4: Simplify right side
    13,248,234.10x = 244,263,792,251,091.34
  5. Step 5: Solve for x
    x = 244,263,792,251,091.34/13,248,234.10
  6. Step 6: Final answer
    x = 18,437,460.45

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Double scale
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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.