Home / 12,570,194.16-18,845,120.65-3,929,849.23

Finding the Fourth Proportional to 12,570,194.16, 18,845,120.65 and 3,929,849.23

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Solution

The fourth proportional to 12,570,194.16, 18,845,120.65 and 3,929,849.23 is: 5,891,594.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,570,194.16 : 18,845,120.65 = 3,929,849.23 : x
  2. Step 2: Convert to fraction form
    12,570,194.16/18,845,120.65 = 3,929,849.23/x
  3. Step 3: Cross multiply
    12,570,194.16x = 18,845,120.65 × 3,929,849.23
  4. Step 4: Simplify right side
    12,570,194.16x = 74,058,482,875,659.59
  5. Step 5: Solve for x
    x = 74,058,482,875,659.59/12,570,194.16
  6. Step 6: Final answer
    x = 5,891,594.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.