Home / 30,231,813.20-45,347,719.80-16,579,684.40

Finding the Fourth Proportional to 30,231,813.20, 45,347,719.80 and 16,579,684.40

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Solution

The fourth proportional to 30,231,813.20, 45,347,719.80 and 16,579,684.40 is: 24,869,526.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,231,813.20 : 45,347,719.80 = 16,579,684.40 : x
  2. Step 2: Convert to fraction form
    30,231,813.20/45,347,719.80 = 16,579,684.40/x
  3. Step 3: Cross multiply
    30,231,813.20x = 45,347,719.80 × 16,579,684.40
  4. Step 4: Simplify right side
    30,231,813.20x = 751,850,882,543,631.12
  5. Step 5: Solve for x
    x = 751,850,882,543,631.12/30,231,813.20
  6. Step 6: Final answer
    x = 24,869,526.60

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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.