Home / 7,453,820.40-11,180,730.60-7,243,868.40

Finding the Fourth Proportional to 7,453,820.40, 11,180,730.60 and 7,243,868.40

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Solution

The fourth proportional to 7,453,820.40, 11,180,730.60 and 7,243,868.40 is: 10,865,802.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,453,820.40 : 11,180,730.60 = 7,243,868.40 : x
  2. Step 2: Convert to fraction form
    7,453,820.40/11,180,730.60 = 7,243,868.40/x
  3. Step 3: Cross multiply
    7,453,820.40x = 11,180,730.60 × 7,243,868.40
  4. Step 4: Simplify right side
    7,453,820.40x = 80,991,741,082,253.05
  5. Step 5: Solve for x
    x = 80,991,741,082,253.05/7,453,820.40
  6. Step 6: Final answer
    x = 10,865,802.60

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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.