Home / 12,112,911.32-16,711,596.22-7,764,395.36

Finding the Fourth Proportional to 12,112,911.32, 16,711,596.22 and 7,764,395.36

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Solution

The fourth proportional to 12,112,911.32, 16,711,596.22 and 7,764,395.36 is: 10,712,159.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,112,911.32 : 16,711,596.22 = 7,764,395.36 : x
  2. Step 2: Convert to fraction form
    12,112,911.32/16,711,596.22 = 7,764,395.36/x
  3. Step 3: Cross multiply
    12,112,911.32x = 16,711,596.22 × 7,764,395.36
  4. Step 4: Simplify right side
    12,112,911.32x = 129,755,440,148,761.55
  5. Step 5: Solve for x
    x = 129,755,440,148,761.55/12,112,911.32
  6. Step 6: Final answer
    x = 10,712,159.67

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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.