Home / 13,554,966.23-18,705,661.86-7,674,448.68

Finding the Fourth Proportional to 13,554,966.23, 18,705,661.86 and 7,674,448.68

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Solution

The fourth proportional to 13,554,966.23, 18,705,661.86 and 7,674,448.68 is: 10,590,630.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,554,966.23 : 18,705,661.86 = 7,674,448.68 : x
  2. Step 2: Convert to fraction form
    13,554,966.23/18,705,661.86 = 7,674,448.68/x
  3. Step 3: Cross multiply
    13,554,966.23x = 18,705,661.86 × 7,674,448.68
  4. Step 4: Simplify right side
    13,554,966.23x = 143,555,641,970,003.34
  5. Step 5: Solve for x
    x = 143,555,641,970,003.34/13,554,966.23
  6. Step 6: Final answer
    x = 10,590,630.74

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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.