Home / 15,348,349.24-21,180,166.88-8,472,683.68

Finding the Fourth Proportional to 15,348,349.24, 21,180,166.88 and 8,472,683.68

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Solution

The fourth proportional to 15,348,349.24, 21,180,166.88 and 8,472,683.68 is: 11,691,997.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,348,349.24 : 21,180,166.88 = 8,472,683.68 : x
  2. Step 2: Convert to fraction form
    15,348,349.24/21,180,166.88 = 8,472,683.68/x
  3. Step 3: Cross multiply
    15,348,349.24x = 21,180,166.88 × 8,472,683.68
  4. Step 4: Simplify right side
    15,348,349.24x = 179,452,854,263,852.50
  5. Step 5: Solve for x
    x = 179,452,854,263,852.50/15,348,349.24
  6. Step 6: Final answer
    x = 11,691,997.06

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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.