Home / 31,503,911.04-43,485,008.76-18,276,429.60

Finding the Fourth Proportional to 31,503,911.04, 43,485,008.76 and 18,276,429.60

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Solution

The fourth proportional to 31,503,911.04, 43,485,008.76 and 18,276,429.60 is: 25,227,048.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,503,911.04 : 43,485,008.76 = 18,276,429.60 : x
  2. Step 2: Convert to fraction form
    31,503,911.04/43,485,008.76 = 18,276,429.60/x
  3. Step 3: Cross multiply
    31,503,911.04x = 43,485,008.76 × 18,276,429.60
  4. Step 4: Simplify right side
    31,503,911.04x = 794,750,701,257,523.38
  5. Step 5: Solve for x
    x = 794,750,701,257,523.38/31,503,911.04
  6. Step 6: Final answer
    x = 25,227,048.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.