Home / 10,432,828.80-15,649,243.20-2,859,782.40

Finding the Fourth Proportional to 10,432,828.80, 15,649,243.20 and 2,859,782.40

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Solution

The fourth proportional to 10,432,828.80, 15,649,243.20 and 2,859,782.40 is: 4,289,673.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,432,828.80 : 15,649,243.20 = 2,859,782.40 : x
  2. Step 2: Convert to fraction form
    10,432,828.80/15,649,243.20 = 2,859,782.40/x
  3. Step 3: Cross multiply
    10,432,828.80x = 15,649,243.20 × 2,859,782.40
  4. Step 4: Simplify right side
    10,432,828.80x = 44,753,430,276,679.68
  5. Step 5: Solve for x
    x = 44,753,430,276,679.68/10,432,828.80
  6. Step 6: Final answer
    x = 4,289,673.60

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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.