Home / 13,588,878.72-20,360,923.20-7,893,114.24

Finding the Fourth Proportional to 13,588,878.72, 20,360,923.20 and 7,893,114.24

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Solution

The fourth proportional to 13,588,878.72, 20,360,923.20 and 7,893,114.24 is: 11,826,663.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,588,878.72 : 20,360,923.20 = 7,893,114.24 : x
  2. Step 2: Convert to fraction form
    13,588,878.72/20,360,923.20 = 7,893,114.24/x
  3. Step 3: Cross multiply
    13,588,878.72x = 20,360,923.20 × 7,893,114.24
  4. Step 4: Simplify right side
    13,588,878.72x = 160,711,092,849,466.38
  5. Step 5: Solve for x
    x = 160,711,092,849,466.38/13,588,878.72
  6. Step 6: Final answer
    x = 11,826,663.27

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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.