Home / 20,809,729.60-31,202,152.80-10,732,033.60

Finding the Fourth Proportional to 20,809,729.60, 31,202,152.80 and 10,732,033.60

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Solution

The fourth proportional to 20,809,729.60, 31,202,152.80 and 10,732,033.60 is: 16,091,633.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,809,729.60 : 31,202,152.80 = 10,732,033.60 : x
  2. Step 2: Convert to fraction form
    20,809,729.60/31,202,152.80 = 10,732,033.60/x
  3. Step 3: Cross multiply
    20,809,729.60x = 31,202,152.80 × 10,732,033.60
  4. Step 4: Simplify right side
    20,809,729.60x = 334,862,552,241,934.06
  5. Step 5: Solve for x
    x = 334,862,552,241,934.06/20,809,729.60
  6. Step 6: Final answer
    x = 16,091,633.99

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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.