Home / 21,265,058.63-29,345,928.53-12,097,701.38

Finding the Fourth Proportional to 21,265,058.63, 29,345,928.53 and 12,097,701.38

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Solution

The fourth proportional to 21,265,058.63, 29,345,928.53 and 12,097,701.38 is: 16,694,911.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,265,058.63 : 29,345,928.53 = 12,097,701.38 : x
  2. Step 2: Convert to fraction form
    21,265,058.63/29,345,928.53 = 12,097,701.38/x
  3. Step 3: Cross multiply
    21,265,058.63x = 29,345,928.53 × 12,097,701.38
  4. Step 4: Simplify right side
    21,265,058.63x = 355,018,279,867,544.19
  5. Step 5: Solve for x
    x = 355,018,279,867,544.19/21,265,058.63
  6. Step 6: Final answer
    x = 16,694,911.88

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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.