Home / 7,648,877.70-11,473,316.55-7,200,105.30

Finding the Fourth Proportional to 7,648,877.70, 11,473,316.55 and 7,200,105.30

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Solution

The fourth proportional to 7,648,877.70, 11,473,316.55 and 7,200,105.30 is: 10,800,157.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,648,877.70 : 11,473,316.55 = 7,200,105.30 : x
  2. Step 2: Convert to fraction form
    7,648,877.70/11,473,316.55 = 7,200,105.30/x
  3. Step 3: Cross multiply
    7,648,877.70x = 11,473,316.55 × 7,200,105.30
  4. Step 4: Simplify right side
    7,648,877.70x = 82,609,087,300,232.72
  5. Step 5: Solve for x
    x = 82,609,087,300,232.72/7,648,877.70
  6. Step 6: Final answer
    x = 10,800,157.95

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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.