Home / 7,771,641.40-11,657,462.10-7,267,756.60

Finding the Fourth Proportional to 7,771,641.40, 11,657,462.10 and 7,267,756.60

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Solution

The fourth proportional to 7,771,641.40, 11,657,462.10 and 7,267,756.60 is: 10,901,634.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,771,641.40 : 11,657,462.10 = 7,267,756.60 : x
  2. Step 2: Convert to fraction form
    7,771,641.40/11,657,462.10 = 7,267,756.60/x
  3. Step 3: Cross multiply
    7,771,641.40x = 11,657,462.10 × 7,267,756.60
  4. Step 4: Simplify right side
    7,771,641.40x = 84,723,597,116,524.86
  5. Step 5: Solve for x
    x = 84,723,597,116,524.86/7,771,641.40
  6. Step 6: Final answer
    x = 10,901,634.90

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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.