Home / 20,733,134.70-31,099,702.06-9,218,579.70

Finding the Fourth Proportional to 20,733,134.70, 31,099,702.06 and 9,218,579.70

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Solution

The fourth proportional to 20,733,134.70, 31,099,702.06 and 9,218,579.70 is: 13,827,869.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,733,134.70 : 31,099,702.06 = 9,218,579.70 : x
  2. Step 2: Convert to fraction form
    20,733,134.70/31,099,702.06 = 9,218,579.70/x
  3. Step 3: Cross multiply
    20,733,134.70x = 31,099,702.06 × 9,218,579.70
  4. Step 4: Simplify right side
    20,733,134.70x = 286,695,082,086,364.12
  5. Step 5: Solve for x
    x = 286,695,082,086,364.12/20,733,134.70
  6. Step 6: Final answer
    x = 13,827,869.55

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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.