Home / 12,795,401.70-19,193,102.55-9,925,620.30

Finding the Fourth Proportional to 12,795,401.70, 19,193,102.55 and 9,925,620.30

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Solution

The fourth proportional to 12,795,401.70, 19,193,102.55 and 9,925,620.30 is: 14,888,430.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,795,401.70 : 19,193,102.55 = 9,925,620.30 : x
  2. Step 2: Convert to fraction form
    12,795,401.70/19,193,102.55 = 9,925,620.30/x
  3. Step 3: Cross multiply
    12,795,401.70x = 19,193,102.55 × 9,925,620.30
  4. Step 4: Simplify right side
    12,795,401.70x = 190,503,448,290,261.78
  5. Step 5: Solve for x
    x = 190,503,448,290,261.78/12,795,401.70
  6. Step 6: Final answer
    x = 14,888,430.45

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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.