Home / 13,555,409.27-20,333,767.60-4,457,305.40

Finding the Fourth Proportional to 13,555,409.27, 20,333,767.60 and 4,457,305.40

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Solution

The fourth proportional to 13,555,409.27, 20,333,767.60 and 4,457,305.40 is: 6,686,173.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,555,409.27 : 20,333,767.60 = 4,457,305.40 : x
  2. Step 2: Convert to fraction form
    13,555,409.27/20,333,767.60 = 4,457,305.40/x
  3. Step 3: Cross multiply
    13,555,409.27x = 20,333,767.60 × 4,457,305.40
  4. Step 4: Simplify right side
    13,555,409.27x = 90,633,812,125,825.05
  5. Step 5: Solve for x
    x = 90,633,812,125,825.05/13,555,409.27
  6. Step 6: Final answer
    x = 6,686,173.05

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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.