Home / 19,872,012.30-29,809,002.60-10,306,074.30

Finding the Fourth Proportional to 19,872,012.30, 29,809,002.60 and 10,306,074.30

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Solution

The fourth proportional to 19,872,012.30, 29,809,002.60 and 10,306,074.30 is: 15,459,621.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,872,012.30 : 29,809,002.60 = 10,306,074.30 : x
  2. Step 2: Convert to fraction form
    19,872,012.30/29,809,002.60 = 10,306,074.30/x
  3. Step 3: Cross multiply
    19,872,012.30x = 29,809,002.60 × 10,306,074.30
  4. Step 4: Simplify right side
    19,872,012.30x = 307,213,795,604,493.19
  5. Step 5: Solve for x
    x = 307,213,795,604,493.19/19,872,012.30
  6. Step 6: Final answer
    x = 15,459,621.85

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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.