Home / 13,538,312.16-20,308,124.40-4,439,604.84

Finding the Fourth Proportional to 13,538,312.16, 20,308,124.40 and 4,439,604.84

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Solution

The fourth proportional to 13,538,312.16, 20,308,124.40 and 4,439,604.84 is: 6,659,622.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,538,312.16 : 20,308,124.40 = 4,439,604.84 : x
  2. Step 2: Convert to fraction form
    13,538,312.16/20,308,124.40 = 4,439,604.84/x
  3. Step 3: Cross multiply
    13,538,312.16x = 20,308,124.40 × 4,439,604.84
  4. Step 4: Simplify right side
    13,538,312.16x = 90,160,047,377,562.09
  5. Step 5: Solve for x
    x = 90,160,047,377,562.09/13,538,312.16
  6. Step 6: Final answer
    x = 6,659,622.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.