Home / 21,126,617.64-31,701,696.84-11,411,033.76

Finding the Fourth Proportional to 21,126,617.64, 31,701,696.84 and 11,411,033.76

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Solution

The fourth proportional to 21,126,617.64, 31,701,696.84 and 11,411,033.76 is: 17,122,908.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,126,617.64 : 31,701,696.84 = 11,411,033.76 : x
  2. Step 2: Convert to fraction form
    21,126,617.64/31,701,696.84 = 11,411,033.76/x
  3. Step 3: Cross multiply
    21,126,617.64x = 31,701,696.84 × 11,411,033.76
  4. Step 4: Simplify right side
    21,126,617.64x = 361,749,132,890,525.31
  5. Step 5: Solve for x
    x = 361,749,132,890,525.31/21,126,617.64
  6. Step 6: Final answer
    x = 17,122,908.13

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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.