Home / 7,706,291.40-11,561,186.70-4,509,772.20

Finding the Fourth Proportional to 7,706,291.40, 11,561,186.70 and 4,509,772.20

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Solution

The fourth proportional to 7,706,291.40, 11,561,186.70 and 4,509,772.20 is: 6,765,682.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,706,291.40 : 11,561,186.70 = 4,509,772.20 : x
  2. Step 2: Convert to fraction form
    7,706,291.40/11,561,186.70 = 4,509,772.20/x
  3. Step 3: Cross multiply
    7,706,291.40x = 11,561,186.70 × 4,509,772.20
  4. Step 4: Simplify right side
    7,706,291.40x = 52,138,318,378,669.74
  5. Step 5: Solve for x
    x = 52,138,318,378,669.74/7,706,291.40
  6. Step 6: Final answer
    x = 6,765,682.18

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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.