Home / 21,815,907.76-30,106,155.78-12,026,702.26

Finding the Fourth Proportional to 21,815,907.76, 30,106,155.78 and 12,026,702.26

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Solution

The fourth proportional to 21,815,907.76, 30,106,155.78 and 12,026,702.26 is: 16,596,961.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,815,907.76 : 30,106,155.78 = 12,026,702.26 : x
  2. Step 2: Convert to fraction form
    21,815,907.76/30,106,155.78 = 12,026,702.26/x
  3. Step 3: Cross multiply
    21,815,907.76x = 30,106,155.78 × 12,026,702.26
  4. Step 4: Simplify right side
    21,815,907.76x = 362,077,771,638,872.56
  5. Step 5: Solve for x
    x = 362,077,771,638,872.56/21,815,907.76
  6. Step 6: Final answer
    x = 16,596,961.06

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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.