Home / 12,776,751.40-19,165,127.10-12,272,866.60

Finding the Fourth Proportional to 12,776,751.40, 19,165,127.10 and 12,272,866.60

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Solution

The fourth proportional to 12,776,751.40, 19,165,127.10 and 12,272,866.60 is: 18,409,299.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,776,751.40 : 19,165,127.10 = 12,272,866.60 : x
  2. Step 2: Convert to fraction form
    12,776,751.40/19,165,127.10 = 12,272,866.60/x
  3. Step 3: Cross multiply
    12,776,751.40x = 19,165,127.10 × 12,272,866.60
  4. Step 4: Simplify right side
    12,776,751.40x = 235,211,048,270,344.88
  5. Step 5: Solve for x
    x = 235,211,048,270,344.88/12,776,751.40
  6. Step 6: Final answer
    x = 18,409,299.90

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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.