Home / 21,347,140.72-29,459,011.89-11,557,582.24

Finding the Fourth Proportional to 21,347,140.72, 29,459,011.89 and 11,557,582.24

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Solution

The fourth proportional to 21,347,140.72, 29,459,011.89 and 11,557,582.24 is: 15,949,440.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,347,140.72 : 29,459,011.89 = 11,557,582.24 : x
  2. Step 2: Convert to fraction form
    21,347,140.72/29,459,011.89 = 11,557,582.24/x
  3. Step 3: Cross multiply
    21,347,140.72x = 29,459,011.89 × 11,557,582.24
  4. Step 4: Simplify right side
    21,347,140.72x = 340,474,952,627,812.88
  5. Step 5: Solve for x
    x = 340,474,952,627,812.88/21,347,140.72
  6. Step 6: Final answer
    x = 15,949,440.59

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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.