Home / 28,410,674.78-42,616,806.18-9,241,431.91

Finding the Fourth Proportional to 28,410,674.78, 42,616,806.18 and 9,241,431.91

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Solution

The fourth proportional to 28,410,674.78, 42,616,806.18 and 9,241,431.91 is: 13,862,406.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,410,674.78 : 42,616,806.18 = 9,241,431.91 : x
  2. Step 2: Convert to fraction form
    28,410,674.78/42,616,806.18 = 9,241,431.91/x
  3. Step 3: Cross multiply
    28,410,674.78x = 42,616,806.18 × 9,241,431.91
  4. Step 4: Simplify right side
    28,410,674.78x = 393,840,312,632,659.44
  5. Step 5: Solve for x
    x = 393,840,312,632,659.44/28,410,674.78
  6. Step 6: Final answer
    x = 13,862,406.14

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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.