Home / 28,419,677.61-42,634,775.43-8,993,792.87

Finding the Fourth Proportional to 28,419,677.61, 42,634,775.43 and 8,993,792.87

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Solution

The fourth proportional to 28,419,677.61, 42,634,775.43 and 8,993,792.87 is: 13,492,353.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,419,677.61 : 42,634,775.43 = 8,993,792.87 : x
  2. Step 2: Convert to fraction form
    28,419,677.61/42,634,775.43 = 8,993,792.87/x
  3. Step 3: Cross multiply
    28,419,677.61x = 42,634,775.43 × 8,993,792.87
  4. Step 4: Simplify right side
    28,419,677.61x = 383,448,339,276,385.12
  5. Step 5: Solve for x
    x = 383,448,339,276,385.12/28,419,677.61
  6. Step 6: Final answer
    x = 13,492,353.59

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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.