Home / 13,376,033.80-20,064,050.70-3,920,417.80

Finding the Fourth Proportional to 13,376,033.80, 20,064,050.70 and 3,920,417.80

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Solution

The fourth proportional to 13,376,033.80, 20,064,050.70 and 3,920,417.80 is: 5,880,626.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,376,033.80 : 20,064,050.70 = 3,920,417.80 : x
  2. Step 2: Convert to fraction form
    13,376,033.80/20,064,050.70 = 3,920,417.80/x
  3. Step 3: Cross multiply
    13,376,033.80x = 20,064,050.70 × 3,920,417.80
  4. Step 4: Simplify right side
    13,376,033.80x = 78,659,461,504,382.45
  5. Step 5: Solve for x
    x = 78,659,461,504,382.45/13,376,033.80
  6. Step 6: Final answer
    x = 5,880,626.70

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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.