Home / 28,018,606.37-38,667,409.55-15,459,599.63

Finding the Fourth Proportional to 28,018,606.37, 38,667,409.55 and 15,459,599.63

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Solution

The fourth proportional to 28,018,606.37, 38,667,409.55 and 15,459,599.63 is: 21,335,203.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,018,606.37 : 38,667,409.55 = 15,459,599.63 : x
  2. Step 2: Convert to fraction form
    28,018,606.37/38,667,409.55 = 15,459,599.63/x
  3. Step 3: Cross multiply
    28,018,606.37x = 38,667,409.55 × 15,459,599.63
  4. Step 4: Simplify right side
    28,018,606.37x = 597,782,670,384,337.62
  5. Step 5: Solve for x
    x = 597,782,670,384,337.62/28,018,606.37
  6. Step 6: Final answer
    x = 21,335,203.56

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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.