Home / 28,381,325.60-42,567,841.20-8,184,461.60

Finding the Fourth Proportional to 28,381,325.60, 42,567,841.20 and 8,184,461.60

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Solution

The fourth proportional to 28,381,325.60, 42,567,841.20 and 8,184,461.60 is: 12,275,496.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,381,325.60 : 42,567,841.20 = 8,184,461.60 : x
  2. Step 2: Convert to fraction form
    28,381,325.60/42,567,841.20 = 8,184,461.60/x
  3. Step 3: Cross multiply
    28,381,325.60x = 42,567,841.20 × 8,184,461.60
  4. Step 4: Simplify right side
    28,381,325.60x = 348,394,861,696,297.94
  5. Step 5: Solve for x
    x = 348,394,861,696,297.94/28,381,325.60
  6. Step 6: Final answer
    x = 12,275,496.45

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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.