Home / 7,776,228.80-11,650,346.40-6,348,555.20

Finding the Fourth Proportional to 7,776,228.80, 11,650,346.40 and 6,348,555.20

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Solution

The fourth proportional to 7,776,228.80, 11,650,346.40 and 6,348,555.20 is: 9,511,405.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,776,228.80 : 11,650,346.40 = 6,348,555.20 : x
  2. Step 2: Convert to fraction form
    7,776,228.80/11,650,346.40 = 6,348,555.20/x
  3. Step 3: Cross multiply
    7,776,228.80x = 11,650,346.40 × 6,348,555.20
  4. Step 4: Simplify right side
    7,776,228.80x = 73,962,867,219,521.28
  5. Step 5: Solve for x
    x = 73,962,867,219,521.28/7,776,228.80
  6. Step 6: Final answer
    x = 9,511,405.74

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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.