Home / 10,900,774.20-16,386,590.70-9,341,880.60

Finding the Fourth Proportional to 10,900,774.20, 16,386,590.70 and 9,341,880.60

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Solution

The fourth proportional to 10,900,774.20, 16,386,590.70 and 9,341,880.60 is: 14,043,183.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,900,774.20 : 16,386,590.70 = 9,341,880.60 : x
  2. Step 2: Convert to fraction form
    10,900,774.20/16,386,590.70 = 9,341,880.60/x
  3. Step 3: Cross multiply
    10,900,774.20x = 16,386,590.70 × 9,341,880.60
  4. Step 4: Simplify right side
    10,900,774.20x = 153,081,573,760,470.41
  5. Step 5: Solve for x
    x = 153,081,573,760,470.41/10,900,774.20
  6. Step 6: Final answer
    x = 14,043,183.63

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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.