Home / 14,984,332.85-20,678,378.67-8,108,815.11

Finding the Fourth Proportional to 14,984,332.85, 20,678,378.67 and 8,108,815.11

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Solution

The fourth proportional to 14,984,332.85, 20,678,378.67 and 8,108,815.11 is: 11,190,164.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,984,332.85 : 20,678,378.67 = 8,108,815.11 : x
  2. Step 2: Convert to fraction form
    14,984,332.85/20,678,378.67 = 8,108,815.11/x
  3. Step 3: Cross multiply
    14,984,332.85x = 20,678,378.67 × 8,108,815.11
  4. Step 4: Simplify right side
    14,984,332.85x = 167,677,149,409,597.72
  5. Step 5: Solve for x
    x = 167,677,149,409,597.72/14,984,332.85
  6. Step 6: Final answer
    x = 11,190,164.50

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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.