Home / 7,644,399.18-10,549,263.75-4,206,640.21

Finding the Fourth Proportional to 7,644,399.18, 10,549,263.75 and 4,206,640.21

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Solution

The fourth proportional to 7,644,399.18, 10,549,263.75 and 4,206,640.21 is: 5,805,159.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,644,399.18 : 10,549,263.75 = 4,206,640.21 : x
  2. Step 2: Convert to fraction form
    7,644,399.18/10,549,263.75 = 4,206,640.21/x
  3. Step 3: Cross multiply
    7,644,399.18x = 10,549,263.75 × 4,206,640.21
  4. Step 4: Simplify right side
    7,644,399.18x = 44,376,957,076,645.39
  5. Step 5: Solve for x
    x = 44,376,957,076,645.39/7,644,399.18
  6. Step 6: Final answer
    x = 5,805,159.57

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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.