Home / 18,993,262-26,210,724.60-10,291,427.88

Finding the Fourth Proportional to 18,993,262, 26,210,724.60 and 10,291,427.88

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Solution

The fourth proportional to 18,993,262, 26,210,724.60 and 10,291,427.88 is: 14,202,182.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,993,262 : 26,210,724.60 = 10,291,427.88 : x
  2. Step 2: Convert to fraction form
    18,993,262/26,210,724.60 = 10,291,427.88/x
  3. Step 3: Cross multiply
    18,993,262x = 26,210,724.60 × 10,291,427.88
  4. Step 4: Simplify right side
    18,993,262x = 269,745,781,903,441.88
  5. Step 5: Solve for x
    x = 269,745,781,903,441.88/18,993,262
  6. Step 6: Final answer
    x = 14,202,182.96

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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.