Home / 8,821,370.40-13,232,711.70-3,140,856.60

Finding the Fourth Proportional to 8,821,370.40, 13,232,711.70 and 3,140,856.60

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Solution

The fourth proportional to 8,821,370.40, 13,232,711.70 and 3,140,856.60 is: 4,711,518.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,821,370.40 : 13,232,711.70 = 3,140,856.60 : x
  2. Step 2: Convert to fraction form
    8,821,370.40/13,232,711.70 = 3,140,856.60/x
  3. Step 3: Cross multiply
    8,821,370.40x = 13,232,711.70 × 3,140,856.60
  4. Step 4: Simplify right side
    8,821,370.40x = 41,562,049,878,842.22
  5. Step 5: Solve for x
    x = 41,562,049,878,842.22/8,821,370.40
  6. Step 6: Final answer
    x = 4,711,518.50

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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.