Home / 7,869,869.32-11,795,848.98-4,789,065.39

Finding the Fourth Proportional to 7,869,869.32, 11,795,848.98 and 4,789,065.39

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Solution

The fourth proportional to 7,869,869.32, 11,795,848.98 and 4,789,065.39 is: 7,178,148.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,869,869.32 : 11,795,848.98 = 4,789,065.39 : x
  2. Step 2: Convert to fraction form
    7,869,869.32/11,795,848.98 = 4,789,065.39/x
  3. Step 3: Cross multiply
    7,869,869.32x = 11,795,848.98 × 4,789,065.39
  4. Step 4: Simplify right side
    7,869,869.32x = 56,491,092,099,943.02
  5. Step 5: Solve for x
    x = 56,491,092,099,943.02/7,869,869.32
  6. Step 6: Final answer
    x = 7,178,148.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.