Home / 7,340,821.20-11,011,231.80-4,789,904.40

Finding the Fourth Proportional to 7,340,821.20, 11,011,231.80 and 4,789,904.40

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Solution

The fourth proportional to 7,340,821.20, 11,011,231.80 and 4,789,904.40 is: 7,184,856.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,340,821.20 : 11,011,231.80 = 4,789,904.40 : x
  2. Step 2: Convert to fraction form
    7,340,821.20/11,011,231.80 = 4,789,904.40/x
  3. Step 3: Cross multiply
    7,340,821.20x = 11,011,231.80 × 4,789,904.40
  4. Step 4: Simplify right side
    7,340,821.20x = 52,742,747,648,239.93
  5. Step 5: Solve for x
    x = 52,742,747,648,239.93/7,340,821.20
  6. Step 6: Final answer
    x = 7,184,856.60

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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.