Home / 7,225,838.87-9,970,741.13-3,961,794.68

Finding the Fourth Proportional to 7,225,838.87, 9,970,741.13 and 3,961,794.68

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Solution

The fourth proportional to 7,225,838.87, 9,970,741.13 and 3,961,794.68 is: 5,466,774.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,225,838.87 : 9,970,741.13 = 3,961,794.68 : x
  2. Step 2: Convert to fraction form
    7,225,838.87/9,970,741.13 = 3,961,794.68/x
  3. Step 3: Cross multiply
    7,225,838.87x = 9,970,741.13 × 3,961,794.68
  4. Step 4: Simplify right side
    7,225,838.87x = 39,502,029,094,828.51
  5. Step 5: Solve for x
    x = 39,502,029,094,828.51/7,225,838.87
  6. Step 6: Final answer
    x = 5,466,774.15

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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.