Home / 13,315,511.55-19,973,267.33-12,792,964.35

Finding the Fourth Proportional to 13,315,511.55, 19,973,267.33 and 12,792,964.35

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Solution

The fourth proportional to 13,315,511.55, 19,973,267.33 and 12,792,964.35 is: 19,189,446.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,315,511.55 : 19,973,267.33 = 12,792,964.35 : x
  2. Step 2: Convert to fraction form
    13,315,511.55/19,973,267.33 = 12,792,964.35/x
  3. Step 3: Cross multiply
    13,315,511.55x = 19,973,267.33 × 12,792,964.35
  4. Step 4: Simplify right side
    13,315,511.55x = 255,517,296,841,744.84
  5. Step 5: Solve for x
    x = 255,517,296,841,744.84/13,315,511.55
  6. Step 6: Final answer
    x = 19,189,446.53

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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.