Home / 12,984,802.37-17,919,044.71-7,104,988.97

Finding the Fourth Proportional to 12,984,802.37, 17,919,044.71 and 7,104,988.97

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Solution

The fourth proportional to 12,984,802.37, 17,919,044.71 and 7,104,988.97 is: 9,804,894.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,984,802.37 : 17,919,044.71 = 7,104,988.97 : x
  2. Step 2: Convert to fraction form
    12,984,802.37/17,919,044.71 = 7,104,988.97/x
  3. Step 3: Cross multiply
    12,984,802.37x = 17,919,044.71 × 7,104,988.97
  4. Step 4: Simplify right side
    12,984,802.37x = 127,314,614,910,129.14
  5. Step 5: Solve for x
    x = 127,314,614,910,129.14/12,984,802.37
  6. Step 6: Final answer
    x = 9,804,894.32

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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.