Home / 13,426,803.12-20,154,290.31-11,899,568.37

Finding the Fourth Proportional to 13,426,803.12, 20,154,290.31 and 11,899,568.37

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Solution

The fourth proportional to 13,426,803.12, 20,154,290.31 and 11,899,568.37 is: 17,861,836.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,426,803.12 : 20,154,290.31 = 11,899,568.37 : x
  2. Step 2: Convert to fraction form
    13,426,803.12/20,154,290.31 = 11,899,568.37/x
  3. Step 3: Cross multiply
    13,426,803.12x = 20,154,290.31 × 11,899,568.37
  4. Step 4: Simplify right side
    13,426,803.12x = 239,827,355,492,673.47
  5. Step 5: Solve for x
    x = 239,827,355,492,673.47/13,426,803.12
  6. Step 6: Final answer
    x = 17,861,836.01

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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.