Home / 21,585,313.10-32,373,822.45-6,439,738.70

Finding the Fourth Proportional to 21,585,313.10, 32,373,822.45 and 6,439,738.70

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Solution

The fourth proportional to 21,585,313.10, 32,373,822.45 and 6,439,738.70 is: 9,658,370.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,585,313.10 : 32,373,822.45 = 6,439,738.70 : x
  2. Step 2: Convert to fraction form
    21,585,313.10/32,373,822.45 = 6,439,738.70/x
  3. Step 3: Cross multiply
    21,585,313.10x = 32,373,822.45 × 6,439,738.70
  4. Step 4: Simplify right side
    21,585,313.10x = 208,478,957,298,193.81
  5. Step 5: Solve for x
    x = 208,478,957,298,193.81/21,585,313.10
  6. Step 6: Final answer
    x = 9,658,370.78

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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.