Home / 15,393,963.81-23,075,002.46-12,669,664.40

Finding the Fourth Proportional to 15,393,963.81, 23,075,002.46 and 12,669,664.40

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Solution

The fourth proportional to 15,393,963.81, 23,075,002.46 and 12,669,664.40 is: 18,991,374.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,393,963.81 : 23,075,002.46 = 12,669,664.40 : x
  2. Step 2: Convert to fraction form
    15,393,963.81/23,075,002.46 = 12,669,664.40/x
  3. Step 3: Cross multiply
    15,393,963.81x = 23,075,002.46 × 12,669,664.40
  4. Step 4: Simplify right side
    15,393,963.81x = 292,352,537,081,999.44
  5. Step 5: Solve for x
    x = 292,352,537,081,999.44/15,393,963.81
  6. Step 6: Final answer
    x = 18,991,374.85

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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.