Home / 7,543,312.80-11,314,969.20-6,870,154.20

Finding the Fourth Proportional to 7,543,312.80, 11,314,969.20 and 6,870,154.20

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Solution

The fourth proportional to 7,543,312.80, 11,314,969.20 and 6,870,154.20 is: 10,305,231.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,543,312.80 : 11,314,969.20 = 6,870,154.20 : x
  2. Step 2: Convert to fraction form
    7,543,312.80/11,314,969.20 = 6,870,154.20/x
  3. Step 3: Cross multiply
    7,543,312.80x = 11,314,969.20 × 6,870,154.20
  4. Step 4: Simplify right side
    7,543,312.80x = 77,735,583,172,250.64
  5. Step 5: Solve for x
    x = 77,735,583,172,250.64/7,543,312.80
  6. Step 6: Final answer
    x = 10,305,231.30

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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.