Home / 16,388,420.80-24,582,631.20-8,735,670.40

Finding the Fourth Proportional to 16,388,420.80, 24,582,631.20 and 8,735,670.40

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Solution

The fourth proportional to 16,388,420.80, 24,582,631.20 and 8,735,670.40 is: 13,103,505.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,388,420.80 : 24,582,631.20 = 8,735,670.40 : x
  2. Step 2: Convert to fraction form
    16,388,420.80/24,582,631.20 = 8,735,670.40/x
  3. Step 3: Cross multiply
    16,388,420.80x = 24,582,631.20 × 8,735,670.40
  4. Step 4: Simplify right side
    16,388,420.80x = 214,745,763,727,956.47
  5. Step 5: Solve for x
    x = 214,745,763,727,956.47/16,388,420.80
  6. Step 6: Final answer
    x = 13,103,505.60

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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.