Home / 13,555,171.96-18,705,626.47-7,360,084.74

Finding the Fourth Proportional to 13,555,171.96, 18,705,626.47 and 7,360,084.74

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Solution

The fourth proportional to 13,555,171.96, 18,705,626.47 and 7,360,084.74 is: 10,156,639.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,555,171.96 : 18,705,626.47 = 7,360,084.74 : x
  2. Step 2: Convert to fraction form
    13,555,171.96/18,705,626.47 = 7,360,084.74/x
  3. Step 3: Cross multiply
    13,555,171.96x = 18,705,626.47 × 7,360,084.74
  4. Step 4: Simplify right side
    13,555,171.96x = 137,674,995,933,987.06
  5. Step 5: Solve for x
    x = 137,674,995,933,987.06/13,555,171.96
  6. Step 6: Final answer
    x = 10,156,639.57

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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.