Home / 12,880,820.93-19,321,231.40-4,793,586.53

Finding the Fourth Proportional to 12,880,820.93, 19,321,231.40 and 4,793,586.53

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Solution

The fourth proportional to 12,880,820.93, 19,321,231.40 and 4,793,586.53 is: 7,190,379.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,880,820.93 : 19,321,231.40 = 4,793,586.53 : x
  2. Step 2: Convert to fraction form
    12,880,820.93/19,321,231.40 = 4,793,586.53/x
  3. Step 3: Cross multiply
    12,880,820.93x = 19,321,231.40 × 4,793,586.53
  4. Step 4: Simplify right side
    12,880,820.93x = 92,617,994,461,478.95
  5. Step 5: Solve for x
    x = 92,617,994,461,478.95/12,880,820.93
  6. Step 6: Final answer
    x = 7,190,379.79

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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.