Home / 13,832,666.56-20,659,317.01-12,533,222.70

Finding the Fourth Proportional to 13,832,666.56, 20,659,317.01 and 12,533,222.70

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Solution

The fourth proportional to 13,832,666.56, 20,659,317.01 and 12,533,222.70 is: 18,718,576.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,832,666.56 : 20,659,317.01 = 12,533,222.70 : x
  2. Step 2: Convert to fraction form
    13,832,666.56/20,659,317.01 = 12,533,222.70/x
  3. Step 3: Cross multiply
    13,832,666.56x = 20,659,317.01 × 12,533,222.70
  4. Step 4: Simplify right side
    13,832,666.56x = 258,927,820,916,228.12
  5. Step 5: Solve for x
    x = 258,927,820,916,228.12/13,832,666.56
  6. Step 6: Final answer
    x = 18,718,576.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.