Home / 13,346,113.80-20,019,170.70-8,307,265.80

Finding the Fourth Proportional to 13,346,113.80, 20,019,170.70 and 8,307,265.80

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Solution

The fourth proportional to 13,346,113.80, 20,019,170.70 and 8,307,265.80 is: 12,460,898.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,346,113.80 : 20,019,170.70 = 8,307,265.80 : x
  2. Step 2: Convert to fraction form
    13,346,113.80/20,019,170.70 = 8,307,265.80/x
  3. Step 3: Cross multiply
    13,346,113.80x = 20,019,170.70 × 8,307,265.80
  4. Step 4: Simplify right side
    13,346,113.80x = 166,304,572,100,472.06
  5. Step 5: Solve for x
    x = 166,304,572,100,472.06/13,346,113.80
  6. Step 6: Final answer
    x = 12,460,898.70

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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.