Home / 19,789,511.54-29,683,846.91-5,412,579.35

Finding the Fourth Proportional to 19,789,511.54, 29,683,846.91 and 5,412,579.35

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Solution

The fourth proportional to 19,789,511.54, 29,683,846.91 and 5,412,579.35 is: 8,118,754.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,789,511.54 : 29,683,846.91 = 5,412,579.35 : x
  2. Step 2: Convert to fraction form
    19,789,511.54/29,683,846.91 = 5,412,579.35/x
  3. Step 3: Cross multiply
    19,789,511.54x = 29,683,846.91 × 5,412,579.35
  4. Step 4: Simplify right side
    19,789,511.54x = 160,666,176,678,739.53
  5. Step 5: Solve for x
    x = 160,666,176,678,739.53/19,789,511.54
  6. Step 6: Final answer
    x = 8,118,754.04

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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.