Home / 38,258,491.48-52,796,288.49-20,854,454.83

Finding the Fourth Proportional to 38,258,491.48, 52,796,288.49 and 20,854,454.83

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Solution

The fourth proportional to 38,258,491.48, 52,796,288.49 and 20,854,454.83 is: 28,778,913.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,258,491.48 : 52,796,288.49 = 20,854,454.83 : x
  2. Step 2: Convert to fraction form
    38,258,491.48/52,796,288.49 = 20,854,454.83/x
  3. Step 3: Cross multiply
    38,258,491.48x = 52,796,288.49 × 20,854,454.83
  4. Step 4: Simplify right side
    38,258,491.48x = 1,101,037,813,242,372.50
  5. Step 5: Solve for x
    x = 1,101,037,813,242,372.50/38,258,491.48
  6. Step 6: Final answer
    x = 28,778,913.41

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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.