Home / 17,631,299.21-26,434,875.12-8,978,650.61

Finding the Fourth Proportional to 17,631,299.21, 26,434,875.12 and 8,978,650.61

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Solution

The fourth proportional to 17,631,299.21, 26,434,875.12 and 8,978,650.61 is: 13,461,827.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,631,299.21 : 26,434,875.12 = 8,978,650.61 : x
  2. Step 2: Convert to fraction form
    17,631,299.21/26,434,875.12 = 8,978,650.61/x
  3. Step 3: Cross multiply
    17,631,299.21x = 26,434,875.12 × 8,978,650.61
  4. Step 4: Simplify right side
    17,631,299.21x = 237,349,507,621,461.81
  5. Step 5: Solve for x
    x = 237,349,507,621,461.81/17,631,299.21
  6. Step 6: Final answer
    x = 13,461,827.45

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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.