Home / 47,297,724.32-70,946,734.96-13,218,845.60

Finding the Fourth Proportional to 47,297,724.32, 70,946,734.96 and 13,218,845.60

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Solution

The fourth proportional to 47,297,724.32, 70,946,734.96 and 13,218,845.60 is: 19,828,309.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,297,724.32 : 70,946,734.96 = 13,218,845.60 : x
  2. Step 2: Convert to fraction form
    47,297,724.32/70,946,734.96 = 13,218,845.60/x
  3. Step 3: Cross multiply
    47,297,724.32x = 70,946,734.96 × 13,218,845.60
  4. Step 4: Simplify right side
    47,297,724.32x = 937,833,935,260,362.12
  5. Step 5: Solve for x
    x = 937,833,935,260,362.12/47,297,724.32
  6. Step 6: Final answer
    x = 19,828,309.90

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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.