Home / 23,168,871.23-31,963,940.30-13,240,427.44

Finding the Fourth Proportional to 23,168,871.23, 31,963,940.30 and 13,240,427.44

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Solution

The fourth proportional to 23,168,871.23, 31,963,940.30 and 13,240,427.44 is: 18,266,588.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,168,871.23 : 31,963,940.30 = 13,240,427.44 : x
  2. Step 2: Convert to fraction form
    23,168,871.23/31,963,940.30 = 13,240,427.44/x
  3. Step 3: Cross multiply
    23,168,871.23x = 31,963,940.30 × 13,240,427.44
  4. Step 4: Simplify right side
    23,168,871.23x = 423,216,232,297,152.81
  5. Step 5: Solve for x
    x = 423,216,232,297,152.81/23,168,871.23
  6. Step 6: Final answer
    x = 18,266,588.31

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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.