Home / 29,041,618.40-43,562,427.60-20,979,461.60

Finding the Fourth Proportional to 29,041,618.40, 43,562,427.60 and 20,979,461.60

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Solution

The fourth proportional to 29,041,618.40, 43,562,427.60 and 20,979,461.60 is: 31,469,192.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,041,618.40 : 43,562,427.60 = 20,979,461.60 : x
  2. Step 2: Convert to fraction form
    29,041,618.40/43,562,427.60 = 20,979,461.60/x
  3. Step 3: Cross multiply
    29,041,618.40x = 43,562,427.60 × 20,979,461.60
  4. Step 4: Simplify right side
    29,041,618.40x = 913,916,277,036,980.25
  5. Step 5: Solve for x
    x = 913,916,277,036,980.25/29,041,618.40
  6. Step 6: Final answer
    x = 31,469,192.40

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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.