Home / 21,076,441.04-29,085,374.40-11,784,009.28

Finding the Fourth Proportional to 21,076,441.04, 29,085,374.40 and 11,784,009.28

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Solution

The fourth proportional to 21,076,441.04, 29,085,374.40 and 11,784,009.28 is: 16,261,868.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,076,441.04 : 29,085,374.40 = 11,784,009.28 : x
  2. Step 2: Convert to fraction form
    21,076,441.04/29,085,374.40 = 11,784,009.28/x
  3. Step 3: Cross multiply
    21,076,441.04x = 29,085,374.40 × 11,784,009.28
  4. Step 4: Simplify right side
    21,076,441.04x = 342,742,321,841,874.38
  5. Step 5: Solve for x
    x = 342,742,321,841,874.38/21,076,441.04
  6. Step 6: Final answer
    x = 16,261,868.94

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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.