Home / 20,661,901.70-30,992,852.40-7,532,304.26

Finding the Fourth Proportional to 20,661,901.70, 30,992,852.40 and 7,532,304.26

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Solution

The fourth proportional to 20,661,901.70, 30,992,852.40 and 7,532,304.26 is: 11,298,456.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,661,901.70 : 30,992,852.40 = 7,532,304.26 : x
  2. Step 2: Convert to fraction form
    20,661,901.70/30,992,852.40 = 7,532,304.26/x
  3. Step 3: Cross multiply
    20,661,901.70x = 30,992,852.40 × 7,532,304.26
  4. Step 4: Simplify right side
    20,661,901.70x = 233,447,594,162,071.22
  5. Step 5: Solve for x
    x = 233,447,594,162,071.22/20,661,901.70
  6. Step 6: Final answer
    x = 11,298,456.34

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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.