Home / 32,468,009.60-48,702,014.40-20,138,578.40

Finding the Fourth Proportional to 32,468,009.60, 48,702,014.40 and 20,138,578.40

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Solution

The fourth proportional to 32,468,009.60, 48,702,014.40 and 20,138,578.40 is: 30,207,867.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,468,009.60 : 48,702,014.40 = 20,138,578.40 : x
  2. Step 2: Convert to fraction form
    32,468,009.60/48,702,014.40 = 20,138,578.40/x
  3. Step 3: Cross multiply
    32,468,009.60x = 48,702,014.40 × 20,138,578.40
  4. Step 4: Simplify right side
    32,468,009.60x = 980,789,335,232,328.88
  5. Step 5: Solve for x
    x = 980,789,335,232,328.88/32,468,009.60
  6. Step 6: Final answer
    x = 30,207,867.60

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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.