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Finding the Fourth Proportional to 16,339,935.60, 24,509,903.40 and 10,860,188.40

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Solution

The fourth proportional to 16,339,935.60, 24,509,903.40 and 10,860,188.40 is: 16,290,282.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,339,935.60 : 24,509,903.40 = 10,860,188.40 : x
  2. Step 2: Convert to fraction form
    16,339,935.60/24,509,903.40 = 10,860,188.40/x
  3. Step 3: Cross multiply
    16,339,935.60x = 24,509,903.40 × 10,860,188.40
  4. Step 4: Simplify right side
    16,339,935.60x = 266,182,168,589,800.56
  5. Step 5: Solve for x
    x = 266,182,168,589,800.56/16,339,935.60
  6. Step 6: Final answer
    x = 16,290,282.60

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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.