Home / 15,457,427.06-21,330,416.42-8,581,466.66

Finding the Fourth Proportional to 15,457,427.06, 21,330,416.42 and 8,581,466.66

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Solution

The fourth proportional to 15,457,427.06, 21,330,416.42 and 8,581,466.66 is: 11,841,961.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,457,427.06 : 21,330,416.42 = 8,581,466.66 : x
  2. Step 2: Convert to fraction form
    15,457,427.06/21,330,416.42 = 8,581,466.66/x
  3. Step 3: Cross multiply
    15,457,427.06x = 21,330,416.42 × 8,581,466.66
  4. Step 4: Simplify right side
    15,457,427.06x = 183,046,257,202,587.12
  5. Step 5: Solve for x
    x = 183,046,257,202,587.12/15,457,427.06
  6. Step 6: Final answer
    x = 11,841,961.57

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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.