Home / 20,298,033.24-30,445,518.76-6,464,432.95

Finding the Fourth Proportional to 20,298,033.24, 30,445,518.76 and 6,464,432.95

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Solution

The fourth proportional to 20,298,033.24, 30,445,518.76 and 6,464,432.95 is: 9,696,161.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,298,033.24 : 30,445,518.76 = 6,464,432.95 : x
  2. Step 2: Convert to fraction form
    20,298,033.24/30,445,518.76 = 6,464,432.95/x
  3. Step 3: Cross multiply
    20,298,033.24x = 30,445,518.76 × 6,464,432.95
  4. Step 4: Simplify right side
    20,298,033.24x = 196,813,014,651,987.16
  5. Step 5: Solve for x
    x = 196,813,014,651,987.16/20,298,033.24
  6. Step 6: Final answer
    x = 9,696,161.81

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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.