Home / 19,761,828.09-29,651,220.21-7,639,805.16

Finding the Fourth Proportional to 19,761,828.09, 29,651,220.21 and 7,639,805.16

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Solution

The fourth proportional to 19,761,828.09, 29,651,220.21 and 7,639,805.16 is: 11,462,985.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,761,828.09 : 29,651,220.21 = 7,639,805.16 : x
  2. Step 2: Convert to fraction form
    19,761,828.09/29,651,220.21 = 7,639,805.16/x
  3. Step 3: Cross multiply
    19,761,828.09x = 29,651,220.21 × 7,639,805.16
  4. Step 4: Simplify right side
    19,761,828.09x = 226,529,545,160,654.28
  5. Step 5: Solve for x
    x = 226,529,545,160,654.28/19,761,828.09
  6. Step 6: Final answer
    x = 11,462,985.31

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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.