Home / 18,441,946.80-27,662,920.20-9,372,020.40

Finding the Fourth Proportional to 18,441,946.80, 27,662,920.20 and 9,372,020.40

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Solution

The fourth proportional to 18,441,946.80, 27,662,920.20 and 9,372,020.40 is: 14,058,030.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,441,946.80 : 27,662,920.20 = 9,372,020.40 : x
  2. Step 2: Convert to fraction form
    18,441,946.80/27,662,920.20 = 9,372,020.40/x
  3. Step 3: Cross multiply
    18,441,946.80x = 27,662,920.20 × 9,372,020.40
  4. Step 4: Simplify right side
    18,441,946.80x = 259,257,452,437,972.09
  5. Step 5: Solve for x
    x = 259,257,452,437,972.09/18,441,946.80
  6. Step 6: Final answer
    x = 14,058,030.60

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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.