Home / 8,308,172.13-11,456,239.10-5,402,174.01

Finding the Fourth Proportional to 8,308,172.13, 11,456,239.10 and 5,402,174.01

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Solution

The fourth proportional to 8,308,172.13, 11,456,239.10 and 5,402,174.01 is: 7,449,123.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,308,172.13 : 11,456,239.10 = 5,402,174.01 : x
  2. Step 2: Convert to fraction form
    8,308,172.13/11,456,239.10 = 5,402,174.01/x
  3. Step 3: Cross multiply
    8,308,172.13x = 11,456,239.10 × 5,402,174.01
  4. Step 4: Simplify right side
    8,308,172.13x = 61,888,597,078,781.25
  5. Step 5: Solve for x
    x = 61,888,597,078,781.25/8,308,172.13
  6. Step 6: Final answer
    x = 7,449,123.12

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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.