Home / 13,322,016.20-18,382,425.67-7,440,925.70

Finding the Fourth Proportional to 13,322,016.20, 18,382,425.67 and 7,440,925.70

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Solution

The fourth proportional to 13,322,016.20, 18,382,425.67 and 7,440,925.70 is: 10,267,384.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,322,016.20 : 18,382,425.67 = 7,440,925.70 : x
  2. Step 2: Convert to fraction form
    13,322,016.20/18,382,425.67 = 7,440,925.70/x
  3. Step 3: Cross multiply
    13,322,016.20x = 18,382,425.67 × 7,440,925.70
  4. Step 4: Simplify right side
    13,322,016.20x = 136,782,263,559,038.09
  5. Step 5: Solve for x
    x = 136,782,263,559,038.09/13,322,016.20
  6. Step 6: Final answer
    x = 10,267,384.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.