Home / 28,979,477.40-43,469,216.10-13,054,229.40

Finding the Fourth Proportional to 28,979,477.40, 43,469,216.10 and 13,054,229.40

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Solution

The fourth proportional to 28,979,477.40, 43,469,216.10 and 13,054,229.40 is: 19,581,344.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,979,477.40 : 43,469,216.10 = 13,054,229.40 : x
  2. Step 2: Convert to fraction form
    28,979,477.40/43,469,216.10 = 13,054,229.40/x
  3. Step 3: Cross multiply
    28,979,477.40x = 43,469,216.10 × 13,054,229.40
  4. Step 4: Simplify right side
    28,979,477.40x = 567,457,118,807,573.38
  5. Step 5: Solve for x
    x = 567,457,118,807,573.38/28,979,477.40
  6. Step 6: Final answer
    x = 19,581,344.10

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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.