Home / 7,848,045.40-11,772,068.10-6,784,288.60

Finding the Fourth Proportional to 7,848,045.40, 11,772,068.10 and 6,784,288.60

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Solution

The fourth proportional to 7,848,045.40, 11,772,068.10 and 6,784,288.60 is: 10,176,432.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,848,045.40 : 11,772,068.10 = 6,784,288.60 : x
  2. Step 2: Convert to fraction form
    7,848,045.40/11,772,068.10 = 6,784,288.60/x
  3. Step 3: Cross multiply
    7,848,045.40x = 11,772,068.10 × 6,784,288.60
  4. Step 4: Simplify right side
    7,848,045.40x = 79,865,107,409,253.66
  5. Step 5: Solve for x
    x = 79,865,107,409,253.66/7,848,045.40
  6. Step 6: Final answer
    x = 10,176,432.90

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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.