Home / 15,553,423.20-23,289,310.80-10,979,774.40

Finding the Fourth Proportional to 15,553,423.20, 23,289,310.80 and 10,979,774.40

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Solution

The fourth proportional to 15,553,423.20, 23,289,310.80 and 10,979,774.40 is: 16,440,842.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,553,423.20 : 23,289,310.80 = 10,979,774.40 : x
  2. Step 2: Convert to fraction form
    15,553,423.20/23,289,310.80 = 10,979,774.40/x
  3. Step 3: Cross multiply
    15,553,423.20x = 23,289,310.80 × 10,979,774.40
  4. Step 4: Simplify right side
    15,553,423.20x = 255,711,378,515,483.53
  5. Step 5: Solve for x
    x = 255,711,378,515,483.53/15,553,423.20
  6. Step 6: Final answer
    x = 16,440,842.33

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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.