Home / 28,506,504-42,766,885.60-8,311,746

Finding the Fourth Proportional to 28,506,504, 42,766,885.60 and 8,311,746

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Solution

The fourth proportional to 28,506,504, 42,766,885.60 and 8,311,746 is: 12,469,697.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,506,504 : 42,766,885.60 = 8,311,746 : x
  2. Step 2: Convert to fraction form
    28,506,504/42,766,885.60 = 8,311,746/x
  3. Step 3: Cross multiply
    28,506,504x = 42,766,885.60 × 8,311,746
  4. Step 4: Simplify right side
    28,506,504x = 355,467,490,318,257.62
  5. Step 5: Solve for x
    x = 355,467,490,318,257.62/28,506,504
  6. Step 6: Final answer
    x = 12,469,697.80

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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.