Home / 28,799,807.31-43,198,563.96-15,871,588.65

Finding the Fourth Proportional to 28,799,807.31, 43,198,563.96 and 15,871,588.65

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Solution

The fourth proportional to 28,799,807.31, 43,198,563.96 and 15,871,588.65 is: 23,806,750.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,799,807.31 : 43,198,563.96 = 15,871,588.65 : x
  2. Step 2: Convert to fraction form
    28,799,807.31/43,198,563.96 = 15,871,588.65/x
  3. Step 3: Cross multiply
    28,799,807.31x = 43,198,563.96 × 15,871,588.65
  4. Step 4: Simplify right side
    28,799,807.31x = 685,629,837,443,835.12
  5. Step 5: Solve for x
    x = 685,629,837,443,835.12/28,799,807.31
  6. Step 6: Final answer
    x = 23,806,750.86

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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.