Home / 13,181,896.40-19,772,844.60-5,609,109.20

Finding the Fourth Proportional to 13,181,896.40, 19,772,844.60 and 5,609,109.20

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Solution

The fourth proportional to 13,181,896.40, 19,772,844.60 and 5,609,109.20 is: 8,413,663.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,181,896.40 : 19,772,844.60 = 5,609,109.20 : x
  2. Step 2: Convert to fraction form
    13,181,896.40/19,772,844.60 = 5,609,109.20/x
  3. Step 3: Cross multiply
    13,181,896.40x = 19,772,844.60 × 5,609,109.20
  4. Step 4: Simplify right side
    13,181,896.40x = 110,908,044,556,030.33
  5. Step 5: Solve for x
    x = 110,908,044,556,030.33/13,181,896.40
  6. Step 6: Final answer
    x = 8,413,663.80

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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.