Home / 13,012,593.40-19,518,890.10-8,477,630.20

Finding the Fourth Proportional to 13,012,593.40, 19,518,890.10 and 8,477,630.20

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Solution

The fourth proportional to 13,012,593.40, 19,518,890.10 and 8,477,630.20 is: 12,716,445.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,012,593.40 : 19,518,890.10 = 8,477,630.20 : x
  2. Step 2: Convert to fraction form
    13,012,593.40/19,518,890.10 = 8,477,630.20/x
  3. Step 3: Cross multiply
    13,012,593.40x = 19,518,890.10 × 8,477,630.20
  4. Step 4: Simplify right side
    13,012,593.40x = 165,473,932,182,241.03
  5. Step 5: Solve for x
    x = 165,473,932,182,241.03/13,012,593.40
  6. Step 6: Final answer
    x = 12,716,445.30

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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.