Home / 19,225,972.80-28,858,888.20-12,880,567.20

Finding the Fourth Proportional to 19,225,972.80, 28,858,888.20 and 12,880,567.20

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Solution

The fourth proportional to 19,225,972.80, 28,858,888.20 and 12,880,567.20 is: 19,334,202.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,225,972.80 : 28,858,888.20 = 12,880,567.20 : x
  2. Step 2: Convert to fraction form
    19,225,972.80/28,858,888.20 = 12,880,567.20/x
  3. Step 3: Cross multiply
    19,225,972.80x = 28,858,888.20 × 12,880,567.20
  4. Step 4: Simplify right side
    19,225,972.80x = 371,718,848,777,387
  5. Step 5: Solve for x
    x = 371,718,848,777,387/19,225,972.80
  6. Step 6: Final answer
    x = 19,334,202.36

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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.