Home / 12,089,428.95-16,655,037.26-8,412,021.26

Finding the Fourth Proportional to 12,089,428.95, 16,655,037.26 and 8,412,021.26

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Solution

The fourth proportional to 12,089,428.95, 16,655,037.26 and 8,412,021.26 is: 11,588,845.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,089,428.95 : 16,655,037.26 = 8,412,021.26 : x
  2. Step 2: Convert to fraction form
    12,089,428.95/16,655,037.26 = 8,412,021.26/x
  3. Step 3: Cross multiply
    12,089,428.95x = 16,655,037.26 × 8,412,021.26
  4. Step 4: Simplify right side
    12,089,428.95x = 140,102,527,454,967.02
  5. Step 5: Solve for x
    x = 140,102,527,454,967.02/12,089,428.95
  6. Step 6: Final answer
    x = 11,588,845.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.