Home / 21,265,041.88-29,345,905.41-12,097,684.63

Finding the Fourth Proportional to 21,265,041.88, 29,345,905.41 and 12,097,684.63

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Solution

The fourth proportional to 21,265,041.88, 29,345,905.41 and 12,097,684.63 is: 16,694,888.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,265,041.88 : 29,345,905.41 = 12,097,684.63 : x
  2. Step 2: Convert to fraction form
    21,265,041.88/29,345,905.41 = 12,097,684.63/x
  3. Step 3: Cross multiply
    21,265,041.88x = 29,345,905.41 × 12,097,684.63
  4. Step 4: Simplify right side
    21,265,041.88x = 355,017,508,685,261.31
  5. Step 5: Solve for x
    x = 355,017,508,685,261.31/21,265,041.88
  6. Step 6: Final answer
    x = 16,694,888.76

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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.