Home / 13,376,031.80-20,064,047.70-3,920,415.80

Finding the Fourth Proportional to 13,376,031.80, 20,064,047.70 and 3,920,415.80

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Solution

The fourth proportional to 13,376,031.80, 20,064,047.70 and 3,920,415.80 is: 5,880,623.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,376,031.80 : 20,064,047.70 = 3,920,415.80 : x
  2. Step 2: Convert to fraction form
    13,376,031.80/20,064,047.70 = 3,920,415.80/x
  3. Step 3: Cross multiply
    13,376,031.80x = 20,064,047.70 × 3,920,415.80
  4. Step 4: Simplify right side
    13,376,031.80x = 78,659,409,615,033.66
  5. Step 5: Solve for x
    x = 78,659,409,615,033.66/13,376,031.80
  6. Step 6: Final answer
    x = 5,880,623.70

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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.