Home / 21,347,555.46-29,459,643.89-11,558,006.43

Finding the Fourth Proportional to 21,347,555.46, 29,459,643.89 and 11,558,006.43

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Solution

The fourth proportional to 21,347,555.46, 29,459,643.89 and 11,558,006.43 is: 15,950,058.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,347,555.46 : 29,459,643.89 = 11,558,006.43 : x
  2. Step 2: Convert to fraction form
    21,347,555.46/29,459,643.89 = 11,558,006.43/x
  3. Step 3: Cross multiply
    21,347,555.46x = 29,459,643.89 × 11,558,006.43
  4. Step 4: Simplify right side
    21,347,555.46x = 340,494,753,448,340.19
  5. Step 5: Solve for x
    x = 340,494,753,448,340.19/21,347,555.46
  6. Step 6: Final answer
    x = 15,950,058.27

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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.