Home / 7,245,088-9,998,010.57-4,147,506.79

Finding the Fourth Proportional to 7,245,088, 9,998,010.57 and 4,147,506.79

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Solution

The fourth proportional to 7,245,088, 9,998,010.57 and 4,147,506.79 is: 5,723,438.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,245,088 : 9,998,010.57 = 4,147,506.79 : x
  2. Step 2: Convert to fraction form
    7,245,088/9,998,010.57 = 4,147,506.79/x
  3. Step 3: Cross multiply
    7,245,088x = 9,998,010.57 × 4,147,506.79
  4. Step 4: Simplify right side
    7,245,088x = 41,466,816,725,566.77
  5. Step 5: Solve for x
    x = 41,466,816,725,566.77/7,245,088
  6. Step 6: Final answer
    x = 5,723,438.66

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1.5x scale

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.