Home / 8,740,916.20-13,111,374.30-5,339,693.80

Finding the Fourth Proportional to 8,740,916.20, 13,111,374.30 and 5,339,693.80

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Solution

The fourth proportional to 8,740,916.20, 13,111,374.30 and 5,339,693.80 is: 8,009,540.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,740,916.20 : 13,111,374.30 = 5,339,693.80 : x
  2. Step 2: Convert to fraction form
    8,740,916.20/13,111,374.30 = 5,339,693.80/x
  3. Step 3: Cross multiply
    8,740,916.20x = 13,111,374.30 × 5,339,693.80
  4. Step 4: Simplify right side
    8,740,916.20x = 70,010,724,059,189.34
  5. Step 5: Solve for x
    x = 70,010,724,059,189.34/8,740,916.20
  6. Step 6: Final answer
    x = 8,009,540.70

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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.