Home / 31,987,206.40-47,980,809.60-9,268,844.80

Finding the Fourth Proportional to 31,987,206.40, 47,980,809.60 and 9,268,844.80

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Solution

The fourth proportional to 31,987,206.40, 47,980,809.60 and 9,268,844.80 is: 13,903,267.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,987,206.40 : 47,980,809.60 = 9,268,844.80 : x
  2. Step 2: Convert to fraction form
    31,987,206.40/47,980,809.60 = 9,268,844.80/x
  3. Step 3: Cross multiply
    31,987,206.40x = 47,980,809.60 × 9,268,844.80
  4. Step 4: Simplify right side
    31,987,206.40x = 444,726,677,560,750.12
  5. Step 5: Solve for x
    x = 444,726,677,560,750.12/31,987,206.40
  6. Step 6: Final answer
    x = 13,903,267.20

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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.