Home / 22,551,048.81-31,120,467.71-12,237,772.01

Finding the Fourth Proportional to 22,551,048.81, 31,120,467.71 and 12,237,772.01

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Solution

The fourth proportional to 22,551,048.81, 31,120,467.71 and 12,237,772.01 is: 16,888,136.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,551,048.81 : 31,120,467.71 = 12,237,772.01 : x
  2. Step 2: Convert to fraction form
    22,551,048.81/31,120,467.71 = 12,237,772.01/x
  3. Step 3: Cross multiply
    22,551,048.81x = 31,120,467.71 × 12,237,772.01
  4. Step 4: Simplify right side
    22,551,048.81x = 380,845,188,462,755.62
  5. Step 5: Solve for x
    x = 380,845,188,462,755.62/22,551,048.81
  6. Step 6: Final answer
    x = 16,888,136.41

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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.