Home / 29,042,410.40-43,563,615.60-20,980,253.60

Finding the Fourth Proportional to 29,042,410.40, 43,563,615.60 and 20,980,253.60

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Solution

The fourth proportional to 29,042,410.40, 43,563,615.60 and 20,980,253.60 is: 31,470,380.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,042,410.40 : 43,563,615.60 = 20,980,253.60 : x
  2. Step 2: Convert to fraction form
    29,042,410.40/43,563,615.60 = 20,980,253.60/x
  3. Step 3: Cross multiply
    29,042,410.40x = 43,563,615.60 × 20,980,253.60
  4. Step 4: Simplify right side
    29,042,410.40x = 913,975,703,020,916.25
  5. Step 5: Solve for x
    x = 913,975,703,020,916.25/29,042,410.40
  6. Step 6: Final answer
    x = 31,470,380.40

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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.