Home / 10,968,511.40-16,457,432.70-5,285,810.60

Finding the Fourth Proportional to 10,968,511.40, 16,457,432.70 and 5,285,810.60

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Solution

The fourth proportional to 10,968,511.40, 16,457,432.70 and 5,285,810.60 is: 7,930,964.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,968,511.40 : 16,457,432.70 = 5,285,810.60 : x
  2. Step 2: Convert to fraction form
    10,968,511.40/16,457,432.70 = 5,285,810.60/x
  3. Step 3: Cross multiply
    10,968,511.40x = 16,457,432.70 × 5,285,810.60
  4. Step 4: Simplify right side
    10,968,511.40x = 86,990,872,214,446.61
  5. Step 5: Solve for x
    x = 86,990,872,214,446.61/10,968,511.40
  6. Step 6: Final answer
    x = 7,930,964.29

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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.