Home / 8,670,868.70-11,969,752.12-6,191,957.66

Finding the Fourth Proportional to 8,670,868.70, 11,969,752.12 and 6,191,957.66

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Solution

The fourth proportional to 8,670,868.70, 11,969,752.12 and 6,191,957.66 is: 8,547,724.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,670,868.70 : 11,969,752.12 = 6,191,957.66 : x
  2. Step 2: Convert to fraction form
    8,670,868.70/11,969,752.12 = 6,191,957.66/x
  3. Step 3: Cross multiply
    8,670,868.70x = 11,969,752.12 × 6,191,957.66
  4. Step 4: Simplify right side
    8,670,868.70x = 74,116,198,252,406.58
  5. Step 5: Solve for x
    x = 74,116,198,252,406.58/8,670,868.70
  6. Step 6: Final answer
    x = 8,547,724.67

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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.