Home / 23,004,861.40-34,465,301.70-18,721,840.60

Finding the Fourth Proportional to 23,004,861.40, 34,465,301.70 and 18,721,840.60

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Solution

The fourth proportional to 23,004,861.40, 34,465,301.70 and 18,721,840.60 is: 28,048,588.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,004,861.40 : 34,465,301.70 = 18,721,840.60 : x
  2. Step 2: Convert to fraction form
    23,004,861.40/34,465,301.70 = 18,721,840.60/x
  3. Step 3: Cross multiply
    23,004,861.40x = 34,465,301.70 × 18,721,840.60
  4. Step 4: Simplify right side
    23,004,861.40x = 645,253,884,658,309.12
  5. Step 5: Solve for x
    x = 645,253,884,658,309.12/23,004,861.40
  6. Step 6: Final answer
    x = 28,048,588.23

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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.