Home / 19,902,513.89-27,465,412.56-11,200,686.32

Finding the Fourth Proportional to 19,902,513.89, 27,465,412.56 and 11,200,686.32

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Solution

The fourth proportional to 19,902,513.89, 27,465,412.56 and 11,200,686.32 is: 15,456,915.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,902,513.89 : 27,465,412.56 = 11,200,686.32 : x
  2. Step 2: Convert to fraction form
    19,902,513.89/27,465,412.56 = 11,200,686.32/x
  3. Step 3: Cross multiply
    19,902,513.89x = 27,465,412.56 × 11,200,686.32
  4. Step 4: Simplify right side
    19,902,513.89x = 307,631,470,733,948.19
  5. Step 5: Solve for x
    x = 307,631,470,733,948.19/19,902,513.89
  6. Step 6: Final answer
    x = 15,456,915.26

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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.