Home / 29,128,363.80-43,728,488.10-18,345,643.80

Finding the Fourth Proportional to 29,128,363.80, 43,728,488.10 and 18,345,643.80

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Solution

The fourth proportional to 29,128,363.80, 43,728,488.10 and 18,345,643.80 is: 27,541,102.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,128,363.80 : 43,728,488.10 = 18,345,643.80 : x
  2. Step 2: Convert to fraction form
    29,128,363.80/43,728,488.10 = 18,345,643.80/x
  3. Step 3: Cross multiply
    29,128,363.80x = 43,728,488.10 × 18,345,643.80
  4. Step 4: Simplify right side
    29,128,363.80x = 802,227,266,595,138.88
  5. Step 5: Solve for x
    x = 802,227,266,595,138.88/29,128,363.80
  6. Step 6: Final answer
    x = 27,541,102.96

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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.