Home / 7,242,407.70-10,863,611.55-7,130,433.30

Finding the Fourth Proportional to 7,242,407.70, 10,863,611.55 and 7,130,433.30

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Solution

The fourth proportional to 7,242,407.70, 10,863,611.55 and 7,130,433.30 is: 10,695,649.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,242,407.70 : 10,863,611.55 = 7,130,433.30 : x
  2. Step 2: Convert to fraction form
    7,242,407.70/10,863,611.55 = 7,130,433.30/x
  3. Step 3: Cross multiply
    7,242,407.70x = 10,863,611.55 × 7,130,433.30
  4. Step 4: Simplify right side
    7,242,407.70x = 77,462,257,554,384.62
  5. Step 5: Solve for x
    x = 77,462,257,554,384.62/7,242,407.70
  6. Step 6: Final answer
    x = 10,695,649.95

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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.