Home / 13,319,211-18,380,527.44-7,207,639.56

Finding the Fourth Proportional to 13,319,211, 18,380,527.44 and 7,207,639.56

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Solution

The fourth proportional to 13,319,211, 18,380,527.44 and 7,207,639.56 is: 9,946,551.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,319,211 : 18,380,527.44 = 7,207,639.56 : x
  2. Step 2: Convert to fraction form
    13,319,211/18,380,527.44 = 7,207,639.56/x
  3. Step 3: Cross multiply
    13,319,211x = 18,380,527.44 × 7,207,639.56
  4. Step 4: Simplify right side
    13,319,211x = 132,480,216,710,209.53
  5. Step 5: Solve for x
    x = 132,480,216,710,209.53/13,319,211
  6. Step 6: Final answer
    x = 9,946,551.39

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Double scale
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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.