Home / 29,502,103.56-40,685,846.58-20,223,158.28

Finding the Fourth Proportional to 29,502,103.56, 40,685,846.58 and 20,223,158.28

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Solution

The fourth proportional to 29,502,103.56, 40,685,846.58 and 20,223,158.28 is: 27,889,411.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,502,103.56 : 40,685,846.58 = 20,223,158.28 : x
  2. Step 2: Convert to fraction form
    29,502,103.56/40,685,846.58 = 20,223,158.28/x
  3. Step 3: Cross multiply
    29,502,103.56x = 40,685,846.58 × 20,223,158.28
  4. Step 4: Simplify right side
    29,502,103.56x = 822,796,315,143,136.75
  5. Step 5: Solve for x
    x = 822,796,315,143,136.75/29,502,103.56
  6. Step 6: Final answer
    x = 27,889,411.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.