Home / 13,554,967.22-18,705,663.24-7,674,449.68

Finding the Fourth Proportional to 13,554,967.22, 18,705,663.24 and 7,674,449.68

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Solution

The fourth proportional to 13,554,967.22, 18,705,663.24 and 7,674,449.68 is: 10,590,632.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,554,967.22 : 18,705,663.24 = 7,674,449.68 : x
  2. Step 2: Convert to fraction form
    13,554,967.22/18,705,663.24 = 7,674,449.68/x
  3. Step 3: Cross multiply
    13,554,967.22x = 18,705,663.24 × 7,674,449.68
  4. Step 4: Simplify right side
    13,554,967.22x = 143,555,671,266,405.75
  5. Step 5: Solve for x
    x = 143,555,671,266,405.75/13,554,967.22
  6. Step 6: Final answer
    x = 10,590,632.12

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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.