Home / 13,702,887.65-18,908,459.30-7,589,785.25

Finding the Fourth Proportional to 13,702,887.65, 18,908,459.30 and 7,589,785.25

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Solution

The fourth proportional to 13,702,887.65, 18,908,459.30 and 7,589,785.25 is: 10,473,058.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,702,887.65 : 18,908,459.30 = 7,589,785.25 : x
  2. Step 2: Convert to fraction form
    13,702,887.65/18,908,459.30 = 7,589,785.25/x
  3. Step 3: Cross multiply
    13,702,887.65x = 18,908,459.30 × 7,589,785.25
  4. Step 4: Simplify right side
    13,702,887.65x = 143,511,145,457,416.41
  5. Step 5: Solve for x
    x = 143,511,145,457,416.41/13,702,887.65
  6. Step 6: Final answer
    x = 10,473,058.61

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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.