Home / 13,121,001.07-19,680,172.72-3,537,348.37

Finding the Fourth Proportional to 13,121,001.07, 19,680,172.72 and 3,537,348.37

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Solution

The fourth proportional to 13,121,001.07, 19,680,172.72 and 3,537,348.37 is: 5,305,664.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,121,001.07 : 19,680,172.72 = 3,537,348.37 : x
  2. Step 2: Convert to fraction form
    13,121,001.07/19,680,172.72 = 3,537,348.37/x
  3. Step 3: Cross multiply
    13,121,001.07x = 19,680,172.72 × 3,537,348.37
  4. Step 4: Simplify right side
    13,121,001.07x = 69,615,626,834,366.67
  5. Step 5: Solve for x
    x = 69,615,626,834,366.67/13,121,001.07
  6. Step 6: Final answer
    x = 5,305,664.29

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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.