Home / 29,142,485.10-43,718,976.45-12,104,880.30

Finding the Fourth Proportional to 29,142,485.10, 43,718,976.45 and 12,104,880.30

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Solution

The fourth proportional to 29,142,485.10, 43,718,976.45 and 12,104,880.30 is: 18,159,500.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,142,485.10 : 43,718,976.45 = 12,104,880.30 : x
  2. Step 2: Convert to fraction form
    29,142,485.10/43,718,976.45 = 12,104,880.30/x
  3. Step 3: Cross multiply
    29,142,485.10x = 43,718,976.45 × 12,104,880.30
  4. Step 4: Simplify right side
    29,142,485.10x = 529,212,976,765,769
  5. Step 5: Solve for x
    x = 529,212,976,765,769/29,142,485.10
  6. Step 6: Final answer
    x = 18,159,500.64

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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.