Home / 20,048,521.32-27,666,971.64-10,881,164.08

Finding the Fourth Proportional to 20,048,521.32, 27,666,971.64 and 10,881,164.08

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Solution

The fourth proportional to 20,048,521.32, 27,666,971.64 and 10,881,164.08 is: 15,016,013.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,048,521.32 : 27,666,971.64 = 10,881,164.08 : x
  2. Step 2: Convert to fraction form
    20,048,521.32/27,666,971.64 = 10,881,164.08/x
  3. Step 3: Cross multiply
    20,048,521.32x = 27,666,971.64 × 10,881,164.08
  4. Step 4: Simplify right side
    20,048,521.32x = 301,048,858,011,546.69
  5. Step 5: Solve for x
    x = 301,048,858,011,546.69/20,048,521.32
  6. Step 6: Final answer
    x = 15,016,013.06

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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.