Home / 15,251,022.45-21,038,628.78-9,738,601.47

Finding the Fourth Proportional to 15,251,022.45, 21,038,628.78 and 9,738,601.47

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Solution

The fourth proportional to 15,251,022.45, 21,038,628.78 and 9,738,601.47 is: 13,434,300.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,251,022.45 : 21,038,628.78 = 9,738,601.47 : x
  2. Step 2: Convert to fraction form
    15,251,022.45/21,038,628.78 = 9,738,601.47/x
  3. Step 3: Cross multiply
    15,251,022.45x = 21,038,628.78 × 9,738,601.47
  4. Step 4: Simplify right side
    15,251,022.45x = 204,886,821,163,692.34
  5. Step 5: Solve for x
    x = 204,886,821,163,692.34/15,251,022.45
  6. Step 6: Final answer
    x = 13,434,300.67

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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.