Home / 15,348,395.25-21,180,655.53-8,472,729.69

Finding the Fourth Proportional to 15,348,395.25, 21,180,655.53 and 8,472,729.69

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Solution

The fourth proportional to 15,348,395.25, 21,180,655.53 and 8,472,729.69 is: 11,692,295.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,348,395.25 : 21,180,655.53 = 8,472,729.69 : x
  2. Step 2: Convert to fraction form
    15,348,395.25/21,180,655.53 = 8,472,729.69/x
  3. Step 3: Cross multiply
    15,348,395.25x = 21,180,655.53 × 8,472,729.69
  4. Step 4: Simplify right side
    15,348,395.25x = 179,457,968,962,693.69
  5. Step 5: Solve for x
    x = 179,457,968,962,693.69/15,348,395.25
  6. Step 6: Final answer
    x = 11,692,295.26

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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.