Home / 12,936,541.24-19,386,209.94-8,897,589.64

Finding the Fourth Proportional to 12,936,541.24, 19,386,209.94 and 8,897,589.64

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Solution

The fourth proportional to 12,936,541.24, 19,386,209.94 and 8,897,589.64 is: 13,333,590.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,936,541.24 : 19,386,209.94 = 8,897,589.64 : x
  2. Step 2: Convert to fraction form
    12,936,541.24/19,386,209.94 = 8,897,589.64/x
  3. Step 3: Cross multiply
    12,936,541.24x = 19,386,209.94 × 8,897,589.64
  4. Step 4: Simplify right side
    12,936,541.24x = 172,490,540,721,009.03
  5. Step 5: Solve for x
    x = 172,490,540,721,009.03/12,936,541.24
  6. Step 6: Final answer
    x = 13,333,590.29

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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.