Home / 12,277,730.16-18,413,452.80-3,639,810.72

Finding the Fourth Proportional to 12,277,730.16, 18,413,452.80 and 3,639,810.72

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Solution

The fourth proportional to 12,277,730.16, 18,413,452.80 and 3,639,810.72 is: 5,458,784.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,277,730.16 : 18,413,452.80 = 3,639,810.72 : x
  2. Step 2: Convert to fraction form
    12,277,730.16/18,413,452.80 = 3,639,810.72/x
  3. Step 3: Cross multiply
    12,277,730.16x = 18,413,452.80 × 3,639,810.72
  4. Step 4: Simplify right side
    12,277,730.16x = 67,021,482,893,654.02
  5. Step 5: Solve for x
    x = 67,021,482,893,654.02/12,277,730.16
  6. Step 6: Final answer
    x = 5,458,784.48

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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.