Home / 7,240,879.98-10,865,805.14-4,209,672.47

Finding the Fourth Proportional to 7,240,879.98, 10,865,805.14 and 4,209,672.47

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Solution

The fourth proportional to 7,240,879.98, 10,865,805.14 and 4,209,672.47 is: 6,317,116.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,240,879.98 : 10,865,805.14 = 4,209,672.47 : x
  2. Step 2: Convert to fraction form
    7,240,879.98/10,865,805.14 = 4,209,672.47/x
  3. Step 3: Cross multiply
    7,240,879.98x = 10,865,805.14 × 4,209,672.47
  4. Step 4: Simplify right side
    7,240,879.98x = 45,741,480,718,437.65
  5. Step 5: Solve for x
    x = 45,741,480,718,437.65/7,240,879.98
  6. Step 6: Final answer
    x = 6,317,116.27

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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.