Home / 31,539,880.11-47,309,504.77-9,974,485.47

Finding the Fourth Proportional to 31,539,880.11, 47,309,504.77 and 9,974,485.47

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Solution

The fourth proportional to 31,539,880.11, 47,309,504.77 and 9,974,485.47 is: 14,961,628.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,539,880.11 : 47,309,504.77 = 9,974,485.47 : x
  2. Step 2: Convert to fraction form
    31,539,880.11/47,309,504.77 = 9,974,485.47/x
  3. Step 3: Cross multiply
    31,539,880.11x = 47,309,504.77 × 9,974,485.47
  4. Step 4: Simplify right side
    31,539,880.11x = 471,887,967,921,260.75
  5. Step 5: Solve for x
    x = 471,887,967,921,260.75/31,539,880.11
  6. Step 6: Final answer
    x = 14,961,628.46

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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.