Home / 15,124,269,378.08-20,873,321,938.25-8,607,945,059.85

Finding the Fourth Proportional to 15,124,269,378.08, 20,873,321,938.25 and 8,607,945,059.85

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Solution

The fourth proportional to 15,124,269,378.08, 20,873,321,938.25 and 8,607,945,059.85 is: 11,880,005,834.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,124,269,378.08 : 20,873,321,938.25 = 8,607,945,059.85 : x
  2. Step 2: Convert to fraction form
    15,124,269,378.08/20,873,321,938.25 = 8,607,945,059.85/x
  3. Step 3: Cross multiply
    15,124,269,378.08x = 20,873,321,938.25 × 8,607,945,059.85
  4. Step 4: Simplify right side
    15,124,269,378.08x = 179,676,408,460,974,686,208
  5. Step 5: Solve for x
    x = 179,676,408,460,974,686,208/15,124,269,378.08
  6. Step 6: Final answer
    x = 11,880,005,834.96

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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.