Home / 7,776,006.30-11,664,009.45-7,209,135.90

Finding the Fourth Proportional to 7,776,006.30, 11,664,009.45 and 7,209,135.90

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Solution

The fourth proportional to 7,776,006.30, 11,664,009.45 and 7,209,135.90 is: 10,813,703.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,776,006.30 : 11,664,009.45 = 7,209,135.90 : x
  2. Step 2: Convert to fraction form
    7,776,006.30/11,664,009.45 = 7,209,135.90/x
  3. Step 3: Cross multiply
    7,776,006.30x = 11,664,009.45 × 7,209,135.90
  4. Step 4: Simplify right side
    7,776,006.30x = 84,087,429,263,934.25
  5. Step 5: Solve for x
    x = 84,087,429,263,934.25/7,776,006.30
  6. Step 6: Final answer
    x = 10,813,703.85

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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.