Home / 7,375,000.80-11,064,056.40-3,112,975.20

Finding the Fourth Proportional to 7,375,000.80, 11,064,056.40 and 3,112,975.20

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Solution

The fourth proportional to 7,375,000.80, 11,064,056.40 and 3,112,975.20 is: 4,670,119.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,375,000.80 : 11,064,056.40 = 3,112,975.20 : x
  2. Step 2: Convert to fraction form
    7,375,000.80/11,064,056.40 = 3,112,975.20/x
  3. Step 3: Cross multiply
    7,375,000.80x = 11,064,056.40 × 3,112,975.20
  4. Step 4: Simplify right side
    7,375,000.80x = 34,442,133,184,601.29
  5. Step 5: Solve for x
    x = 34,442,133,184,601.29/7,375,000.80
  6. Step 6: Final answer
    x = 4,670,119.25

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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.