Home / 20,102,959.79-27,742,063.52-10,935,580.67

Finding the Fourth Proportional to 20,102,959.79, 27,742,063.52 and 10,935,580.67

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Solution

The fourth proportional to 20,102,959.79, 27,742,063.52 and 10,935,580.67 is: 15,091,089.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,102,959.79 : 27,742,063.52 = 10,935,580.67 : x
  2. Step 2: Convert to fraction form
    20,102,959.79/27,742,063.52 = 10,935,580.67/x
  3. Step 3: Cross multiply
    20,102,959.79x = 27,742,063.52 × 10,935,580.67
  4. Step 4: Simplify right side
    20,102,959.79x = 303,375,573,520,546.25
  5. Step 5: Solve for x
    x = 303,375,573,520,546.25/20,102,959.79
  6. Step 6: Final answer
    x = 15,091,089.90

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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.