Home / 7,776,008.90-11,664,013.35-4,920,661.70

Finding the Fourth Proportional to 7,776,008.90, 11,664,013.35 and 4,920,661.70

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Solution

The fourth proportional to 7,776,008.90, 11,664,013.35 and 4,920,661.70 is: 7,380,992.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,776,008.90 : 11,664,013.35 = 4,920,661.70 : x
  2. Step 2: Convert to fraction form
    7,776,008.90/11,664,013.35 = 4,920,661.70/x
  3. Step 3: Cross multiply
    7,776,008.90x = 11,664,013.35 × 4,920,661.70
  4. Step 4: Simplify right side
    7,776,008.90x = 57,394,663,759,633.70
  5. Step 5: Solve for x
    x = 57,394,663,759,633.70/7,776,008.90
  6. Step 6: Final answer
    x = 7,380,992.55

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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.