Home / 14,638,620.51-20,201,049.68-8,112,236.67

Finding the Fourth Proportional to 14,638,620.51, 20,201,049.68 and 8,112,236.67

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Solution

The fourth proportional to 14,638,620.51, 20,201,049.68 and 8,112,236.67 is: 11,194,749.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,638,620.51 : 20,201,049.68 = 8,112,236.67 : x
  2. Step 2: Convert to fraction form
    14,638,620.51/20,201,049.68 = 8,112,236.67/x
  3. Step 3: Cross multiply
    14,638,620.51x = 20,201,049.68 × 8,112,236.67
  4. Step 4: Simplify right side
    14,638,620.51x = 163,875,695,946,026.59
  5. Step 5: Solve for x
    x = 163,875,695,946,026.59/14,638,620.51
  6. Step 6: Final answer
    x = 11,194,749.93

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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.