Home / 21,685,004-29,925,026.49-12,392,467.49

Finding the Fourth Proportional to 21,685,004, 29,925,026.49 and 12,392,467.49

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Solution

The fourth proportional to 21,685,004, 29,925,026.49 and 12,392,467.49 is: 17,101,445.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,685,004 : 29,925,026.49 = 12,392,467.49 : x
  2. Step 2: Convert to fraction form
    21,685,004/29,925,026.49 = 12,392,467.49/x
  3. Step 3: Cross multiply
    21,685,004x = 29,925,026.49 × 12,392,467.49
  4. Step 4: Simplify right side
    21,685,004x = 370,844,917,914,713.81
  5. Step 5: Solve for x
    x = 370,844,917,914,713.81/21,685,004
  6. Step 6: Final answer
    x = 17,101,445.68

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1.5x scale

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.