Home / 7,888,638.40-11,826,045.60-5,356,081.60

Finding the Fourth Proportional to 7,888,638.40, 11,826,045.60 and 5,356,081.60

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Solution

The fourth proportional to 7,888,638.40, 11,826,045.60 and 5,356,081.60 is: 8,029,429.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,888,638.40 : 11,826,045.60 = 5,356,081.60 : x
  2. Step 2: Convert to fraction form
    7,888,638.40/11,826,045.60 = 5,356,081.60/x
  3. Step 3: Cross multiply
    7,888,638.40x = 11,826,045.60 × 5,356,081.60
  4. Step 4: Simplify right side
    7,888,638.40x = 63,341,265,238,920.95
  5. Step 5: Solve for x
    x = 63,341,265,238,920.95/7,888,638.40
  6. Step 6: Final answer
    x = 8,029,429.42

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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.