Home / 9,072,021.90-13,608,032.85-8,009,139.90

Finding the Fourth Proportional to 9,072,021.90, 13,608,032.85 and 8,009,139.90

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Solution

The fourth proportional to 9,072,021.90, 13,608,032.85 and 8,009,139.90 is: 12,013,709.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,072,021.90 : 13,608,032.85 = 8,009,139.90 : x
  2. Step 2: Convert to fraction form
    9,072,021.90/13,608,032.85 = 8,009,139.90/x
  3. Step 3: Cross multiply
    9,072,021.90x = 13,608,032.85 × 8,009,139.90
  4. Step 4: Simplify right side
    9,072,021.90x = 108,988,638,859,445.72
  5. Step 5: Solve for x
    x = 108,988,638,859,445.72/9,072,021.90
  6. Step 6: Final answer
    x = 12,013,709.85

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Similar ratio
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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.