Home / 13,326,164.50-19,976,476.89-5,639,235.06

Finding the Fourth Proportional to 13,326,164.50, 19,976,476.89 and 5,639,235.06

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Solution

The fourth proportional to 13,326,164.50, 19,976,476.89 and 5,639,235.06 is: 8,453,448.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,326,164.50 : 19,976,476.89 = 5,639,235.06 : x
  2. Step 2: Convert to fraction form
    13,326,164.50/19,976,476.89 = 5,639,235.06/x
  3. Step 3: Cross multiply
    13,326,164.50x = 19,976,476.89 × 5,639,235.06
  4. Step 4: Simplify right side
    13,326,164.50x = 112,652,048,853,367.77
  5. Step 5: Solve for x
    x = 112,652,048,853,367.77/13,326,164.50
  6. Step 6: Final answer
    x = 8,453,448.77

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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.