Home / 8,380,368.27-12,579,348.33-7,426,923.75

Finding the Fourth Proportional to 8,380,368.27, 12,579,348.33 and 7,426,923.75

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Solution

The fourth proportional to 8,380,368.27, 12,579,348.33 and 7,426,923.75 is: 11,148,180.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,380,368.27 : 12,579,348.33 = 7,426,923.75 : x
  2. Step 2: Convert to fraction form
    8,380,368.27/12,579,348.33 = 7,426,923.75/x
  3. Step 3: Cross multiply
    8,380,368.27x = 12,579,348.33 × 7,426,923.75
  4. Step 4: Simplify right side
    8,380,368.27x = 93,425,860,871,599.84
  5. Step 5: Solve for x
    x = 93,425,860,871,599.84/8,380,368.27
  6. Step 6: Final answer
    x = 11,148,180.83

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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.