Home / 28,996,433.71-43,465,920.80-13,616,191.24

Finding the Fourth Proportional to 28,996,433.71, 43,465,920.80 and 13,616,191.24

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Solution

The fourth proportional to 28,996,433.71, 43,465,920.80 and 13,616,191.24 is: 20,410,795.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,996,433.71 : 43,465,920.80 = 13,616,191.24 : x
  2. Step 2: Convert to fraction form
    28,996,433.71/43,465,920.80 = 13,616,191.24/x
  3. Step 3: Cross multiply
    28,996,433.71x = 43,465,920.80 × 13,616,191.24
  4. Step 4: Simplify right side
    28,996,433.71x = 591,840,289,858,748.12
  5. Step 5: Solve for x
    x = 591,840,289,858,748.12/28,996,433.71
  6. Step 6: Final answer
    x = 20,410,795.89

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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.