Home / 13,102,420.20-19,653,630.30-8,295,831.60

Finding the Fourth Proportional to 13,102,420.20, 19,653,630.30 and 8,295,831.60

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Solution

The fourth proportional to 13,102,420.20, 19,653,630.30 and 8,295,831.60 is: 12,443,747.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,102,420.20 : 19,653,630.30 = 8,295,831.60 : x
  2. Step 2: Convert to fraction form
    13,102,420.20/19,653,630.30 = 8,295,831.60/x
  3. Step 3: Cross multiply
    13,102,420.20x = 19,653,630.30 × 8,295,831.60
  4. Step 4: Simplify right side
    13,102,420.20x = 163,043,207,297,457.47
  5. Step 5: Solve for x
    x = 163,043,207,297,457.47/13,102,420.20
  6. Step 6: Final answer
    x = 12,443,747.40

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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.