Home / 18,686,648.70-28,029,973.05-6,569,793.90

Finding the Fourth Proportional to 18,686,648.70, 28,029,973.05 and 6,569,793.90

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Solution

The fourth proportional to 18,686,648.70, 28,029,973.05 and 6,569,793.90 is: 9,854,690.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,686,648.70 : 28,029,973.05 = 6,569,793.90 : x
  2. Step 2: Convert to fraction form
    18,686,648.70/28,029,973.05 = 6,569,793.90/x
  3. Step 3: Cross multiply
    18,686,648.70x = 28,029,973.05 × 6,569,793.90
  4. Step 4: Simplify right side
    18,686,648.70x = 184,151,145,961,054.41
  5. Step 5: Solve for x
    x = 184,151,145,961,054.41/18,686,648.70
  6. Step 6: Final answer
    x = 9,854,690.85

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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.