Home / 12,752,021.48-19,116,706.95-4,969,133.78

Finding the Fourth Proportional to 12,752,021.48, 19,116,706.95 and 4,969,133.78

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Solution

The fourth proportional to 12,752,021.48, 19,116,706.95 and 4,969,133.78 is: 7,449,287.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,752,021.48 : 19,116,706.95 = 4,969,133.78 : x
  2. Step 2: Convert to fraction form
    12,752,021.48/19,116,706.95 = 4,969,133.78/x
  3. Step 3: Cross multiply
    12,752,021.48x = 19,116,706.95 × 4,969,133.78
  4. Step 4: Simplify right side
    12,752,021.48x = 94,993,474,267,605.77
  5. Step 5: Solve for x
    x = 94,993,474,267,605.77/12,752,021.48
  6. Step 6: Final answer
    x = 7,449,287.50

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1.5x scale

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.