Home / 39,383,257.56-54,363,790.36-29,621,890.45

Finding the Fourth Proportional to 39,383,257.56, 54,363,790.36 and 29,621,890.45

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Solution

The fourth proportional to 39,383,257.56, 54,363,790.36 and 29,621,890.45 is: 40,889,411.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,383,257.56 : 54,363,790.36 = 29,621,890.45 : x
  2. Step 2: Convert to fraction form
    39,383,257.56/54,363,790.36 = 29,621,890.45/x
  3. Step 3: Cross multiply
    39,383,257.56x = 54,363,790.36 × 29,621,890.45
  4. Step 4: Simplify right side
    39,383,257.56x = 1,610,358,242,429,045.25
  5. Step 5: Solve for x
    x = 1,610,358,242,429,045.25/39,383,257.56
  6. Step 6: Final answer
    x = 40,889,411.96

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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.