Home / 28,964,538.70-39,953,334.34-17,195,819.67

Finding the Fourth Proportional to 28,964,538.70, 39,953,334.34 and 17,195,819.67

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Solution

The fourth proportional to 28,964,538.70, 39,953,334.34 and 17,195,819.67 is: 23,719,705.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,964,538.70 : 39,953,334.34 = 17,195,819.67 : x
  2. Step 2: Convert to fraction form
    28,964,538.70/39,953,334.34 = 17,195,819.67/x
  3. Step 3: Cross multiply
    28,964,538.70x = 39,953,334.34 × 17,195,819.67
  4. Step 4: Simplify right side
    28,964,538.70x = 687,030,332,547,353.38
  5. Step 5: Solve for x
    x = 687,030,332,547,353.38/28,964,538.70
  6. Step 6: Final answer
    x = 23,719,705.66

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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.