Home / 7,028,974.96-9,700,883.76-3,931,670.43

Finding the Fourth Proportional to 7,028,974.96, 9,700,883.76 and 3,931,670.43

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Solution

The fourth proportional to 7,028,974.96, 9,700,883.76 and 3,931,670.43 is: 5,426,207.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,028,974.96 : 9,700,883.76 = 3,931,670.43 : x
  2. Step 2: Convert to fraction form
    7,028,974.96/9,700,883.76 = 3,931,670.43/x
  3. Step 3: Cross multiply
    7,028,974.96x = 9,700,883.76 × 3,931,670.43
  4. Step 4: Simplify right side
    7,028,974.96x = 38,140,677,824,059.22
  5. Step 5: Solve for x
    x = 38,140,677,824,059.22/7,028,974.96
  6. Step 6: Final answer
    x = 5,426,207.67

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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.