Home / 13,265,005.80-19,908,006.30-5,181,853.80

Finding the Fourth Proportional to 13,265,005.80, 19,908,006.30 and 5,181,853.80

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Solution

The fourth proportional to 13,265,005.80, 19,908,006.30 and 5,181,853.80 is: 7,776,881.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,265,005.80 : 19,908,006.30 = 5,181,853.80 : x
  2. Step 2: Convert to fraction form
    13,265,005.80/19,908,006.30 = 5,181,853.80/x
  3. Step 3: Cross multiply
    13,265,005.80x = 19,908,006.30 × 5,181,853.80
  4. Step 4: Simplify right side
    13,265,005.80x = 103,160,378,096,078.94
  5. Step 5: Solve for x
    x = 103,160,378,096,078.94/13,265,005.80
  6. Step 6: Final answer
    x = 7,776,881.49

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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.