Home / 7,779,701.60-10,726,007.73-6,379,103.06

Finding the Fourth Proportional to 7,779,701.60, 10,726,007.73 and 6,379,103.06

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Solution

The fourth proportional to 7,779,701.60, 10,726,007.73 and 6,379,103.06 is: 8,794,978.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,779,701.60 : 10,726,007.73 = 6,379,103.06 : x
  2. Step 2: Convert to fraction form
    7,779,701.60/10,726,007.73 = 6,379,103.06/x
  3. Step 3: Cross multiply
    7,779,701.60x = 10,726,007.73 × 6,379,103.06
  4. Step 4: Simplify right side
    7,779,701.60x = 68,422,308,734,920.04
  5. Step 5: Solve for x
    x = 68,422,308,734,920.04/7,779,701.60
  6. Step 6: Final answer
    x = 8,794,978.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.