Home / 10,355,490.64-15,533,227.75-2,782,456.39

Finding the Fourth Proportional to 10,355,490.64, 15,533,227.75 and 2,782,456.39

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Solution

The fourth proportional to 10,355,490.64, 15,533,227.75 and 2,782,456.39 is: 4,173,682.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,355,490.64 : 15,533,227.75 = 2,782,456.39 : x
  2. Step 2: Convert to fraction form
    10,355,490.64/15,533,227.75 = 2,782,456.39/x
  3. Step 3: Cross multiply
    10,355,490.64x = 15,533,227.75 × 2,782,456.39
  4. Step 4: Simplify right side
    10,355,490.64x = 43,220,528,740,615.92
  5. Step 5: Solve for x
    x = 43,220,528,740,615.92/10,355,490.64
  6. Step 6: Final answer
    x = 4,173,682.37

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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.