Home / 9,862,172.76-13,609,816.91-5,511,259.09

Finding the Fourth Proportional to 9,862,172.76, 13,609,816.91 and 5,511,259.09

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Solution

The fourth proportional to 9,862,172.76, 13,609,816.91 and 5,511,259.09 is: 7,605,547.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,862,172.76 : 13,609,816.91 = 5,511,259.09 : x
  2. Step 2: Convert to fraction form
    9,862,172.76/13,609,816.91 = 5,511,259.09/x
  3. Step 3: Cross multiply
    9,862,172.76x = 13,609,816.91 × 5,511,259.09
  4. Step 4: Simplify right side
    9,862,172.76x = 75,007,227,158,473.20
  5. Step 5: Solve for x
    x = 75,007,227,158,473.20/9,862,172.76
  6. Step 6: Final answer
    x = 7,605,547.88

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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.