Home / 29,135,311.20-43,702,966.80-15,530,421.60

Finding the Fourth Proportional to 29,135,311.20, 43,702,966.80 and 15,530,421.60

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Solution

The fourth proportional to 29,135,311.20, 43,702,966.80 and 15,530,421.60 is: 23,295,632.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,135,311.20 : 43,702,966.80 = 15,530,421.60 : x
  2. Step 2: Convert to fraction form
    29,135,311.20/43,702,966.80 = 15,530,421.60/x
  3. Step 3: Cross multiply
    29,135,311.20x = 43,702,966.80 × 15,530,421.60
  4. Step 4: Simplify right side
    29,135,311.20x = 678,725,499,574,802.88
  5. Step 5: Solve for x
    x = 678,725,499,574,802.88/29,135,311.20
  6. Step 6: Final answer
    x = 23,295,632.40

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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.