Home / 13,423,409.80-20,135,114.70-4,446,795.40

Finding the Fourth Proportional to 13,423,409.80, 20,135,114.70 and 4,446,795.40

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Solution

The fourth proportional to 13,423,409.80, 20,135,114.70 and 4,446,795.40 is: 6,670,193.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,423,409.80 : 20,135,114.70 = 4,446,795.40 : x
  2. Step 2: Convert to fraction form
    13,423,409.80/20,135,114.70 = 4,446,795.40/x
  3. Step 3: Cross multiply
    13,423,409.80x = 20,135,114.70 × 4,446,795.40
  4. Step 4: Simplify right side
    13,423,409.80x = 89,536,735,426,432.39
  5. Step 5: Solve for x
    x = 89,536,735,426,432.39/13,423,409.80
  6. Step 6: Final answer
    x = 6,670,193.10

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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.