Home / 7,776,004.20-11,664,006.30-6,169,871.40

Finding the Fourth Proportional to 7,776,004.20, 11,664,006.30 and 6,169,871.40

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Solution

The fourth proportional to 7,776,004.20, 11,664,006.30 and 6,169,871.40 is: 9,254,807.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,776,004.20 : 11,664,006.30 = 6,169,871.40 : x
  2. Step 2: Convert to fraction form
    7,776,004.20/11,664,006.30 = 6,169,871.40/x
  3. Step 3: Cross multiply
    7,776,004.20x = 11,664,006.30 × 6,169,871.40
  4. Step 4: Simplify right side
    7,776,004.20x = 71,965,418,879,789.83
  5. Step 5: Solve for x
    x = 71,965,418,879,789.83/7,776,004.20
  6. Step 6: Final answer
    x = 9,254,807.10

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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.