Home / 7,301,116.48-10,078,643.20-4,549,163.57

Finding the Fourth Proportional to 7,301,116.48, 10,078,643.20 and 4,549,163.57

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Solution

The fourth proportional to 7,301,116.48, 10,078,643.20 and 4,549,163.57 is: 6,279,778.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,301,116.48 : 10,078,643.20 = 4,549,163.57 : x
  2. Step 2: Convert to fraction form
    7,301,116.48/10,078,643.20 = 4,549,163.57/x
  3. Step 3: Cross multiply
    7,301,116.48x = 10,078,643.20 × 4,549,163.57
  4. Step 4: Simplify right side
    7,301,116.48x = 45,849,396,457,722.41
  5. Step 5: Solve for x
    x = 45,849,396,457,722.41/7,301,116.48
  6. Step 6: Final answer
    x = 6,279,778.80

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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.