Home / 13,099,571.46-18,077,532.26-7,219,420.71

Finding the Fourth Proportional to 13,099,571.46, 18,077,532.26 and 7,219,420.71

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Solution

The fourth proportional to 13,099,571.46, 18,077,532.26 and 7,219,420.71 is: 9,962,868.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,099,571.46 : 18,077,532.26 = 7,219,420.71 : x
  2. Step 2: Convert to fraction form
    13,099,571.46/18,077,532.26 = 7,219,420.71/x
  3. Step 3: Cross multiply
    13,099,571.46x = 18,077,532.26 × 7,219,420.71
  4. Step 4: Simplify right side
    13,099,571.46x = 130,509,310,747,440
  5. Step 5: Solve for x
    x = 130,509,310,747,440/13,099,571.46
  6. Step 6: Final answer
    x = 9,962,868.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.