Home / 30,078,331.14-45,112,163.47-13,679,774.54

Finding the Fourth Proportional to 30,078,331.14, 45,112,163.47 and 13,679,774.54

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Solution

The fourth proportional to 30,078,331.14, 45,112,163.47 and 13,679,774.54 is: 20,517,236.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,078,331.14 : 45,112,163.47 = 13,679,774.54 : x
  2. Step 2: Convert to fraction form
    30,078,331.14/45,112,163.47 = 13,679,774.54/x
  3. Step 3: Cross multiply
    30,078,331.14x = 45,112,163.47 × 13,679,774.54
  4. Step 4: Simplify right side
    30,078,331.14x = 617,124,225,021,463.88
  5. Step 5: Solve for x
    x = 617,124,225,021,463.88/30,078,331.14
  6. Step 6: Final answer
    x = 20,517,236.22

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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.