Home / 8,408,123.75-11,603,210.65-4,540,644.79

Finding the Fourth Proportional to 8,408,123.75, 11,603,210.65 and 4,540,644.79

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Solution

The fourth proportional to 8,408,123.75, 11,603,210.65 and 4,540,644.79 is: 6,266,089.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,408,123.75 : 11,603,210.65 = 4,540,644.79 : x
  2. Step 2: Convert to fraction form
    8,408,123.75/11,603,210.65 = 4,540,644.79/x
  3. Step 3: Cross multiply
    8,408,123.75x = 11,603,210.65 × 4,540,644.79
  4. Step 4: Simplify right side
    8,408,123.75x = 52,686,057,944,835.38
  5. Step 5: Solve for x
    x = 52,686,057,944,835.38/8,408,123.75
  6. Step 6: Final answer
    x = 6,266,089.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.