Home / 13,614,333.55-18,787,780.67-7,502,762.05

Finding the Fourth Proportional to 13,614,333.55, 18,787,780.67 and 7,502,762.05

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Solution

The fourth proportional to 13,614,333.55, 18,787,780.67 and 7,502,762.05 is: 10,353,811.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,614,333.55 : 18,787,780.67 = 7,502,762.05 : x
  2. Step 2: Convert to fraction form
    13,614,333.55/18,787,780.67 = 7,502,762.05/x
  3. Step 3: Cross multiply
    13,614,333.55x = 18,787,780.67 × 7,502,762.05
  4. Step 4: Simplify right side
    13,614,333.55x = 140,960,247,730,116.31
  5. Step 5: Solve for x
    x = 140,960,247,730,116.31/13,614,333.55
  6. Step 6: Final answer
    x = 10,353,811.83

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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.