Home / 8,697,941.70-13,046,912.55-5,105,429.70

Finding the Fourth Proportional to 8,697,941.70, 13,046,912.55 and 5,105,429.70

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Solution

The fourth proportional to 8,697,941.70, 13,046,912.55 and 5,105,429.70 is: 7,658,144.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,697,941.70 : 13,046,912.55 = 5,105,429.70 : x
  2. Step 2: Convert to fraction form
    8,697,941.70/13,046,912.55 = 5,105,429.70/x
  3. Step 3: Cross multiply
    8,697,941.70x = 13,046,912.55 × 5,105,429.70
  4. Step 4: Simplify right side
    8,697,941.70x = 66,610,094,826,072.74
  5. Step 5: Solve for x
    x = 66,610,094,826,072.74/8,697,941.70
  6. Step 6: Final answer
    x = 7,658,144.55

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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.