Home / 7,127,906.10-10,668,239.55-6,561,035.70

Finding the Fourth Proportional to 7,127,906.10, 10,668,239.55 and 6,561,035.70

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Solution

The fourth proportional to 7,127,906.10, 10,668,239.55 and 6,561,035.70 is: 9,819,812.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127,906.10 : 10,668,239.55 = 6,561,035.70 : x
  2. Step 2: Convert to fraction form
    7,127,906.10/10,668,239.55 = 6,561,035.70/x
  3. Step 3: Cross multiply
    7,127,906.10x = 10,668,239.55 × 6,561,035.70
  4. Step 4: Simplify right side
    7,127,906.10x = 69,994,700,543,701.95
  5. Step 5: Solve for x
    x = 69,994,700,543,701.95/7,127,906.10
  6. Step 6: Final answer
    x = 9,819,812.38

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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.