Home / 10,509,721.60-15,764,582.40-8,835,682.45

Finding the Fourth Proportional to 10,509,721.60, 15,764,582.40 and 8,835,682.45

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Solution

The fourth proportional to 10,509,721.60, 15,764,582.40 and 8,835,682.45 is: 13,253,523.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,509,721.60 : 15,764,582.40 = 8,835,682.45 : x
  2. Step 2: Convert to fraction form
    10,509,721.60/15,764,582.40 = 8,835,682.45/x
  3. Step 3: Cross multiply
    10,509,721.60x = 15,764,582.40 × 8,835,682.45
  4. Step 4: Simplify right side
    10,509,721.60x = 139,290,844,043,258.88
  5. Step 5: Solve for x
    x = 139,290,844,043,258.88/10,509,721.60
  6. Step 6: Final answer
    x = 13,253,523.68

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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.