Home / 13,894,392.51-19,131,460.47-12,342,963.87

Finding the Fourth Proportional to 13,894,392.51, 19,131,460.47 and 12,342,963.87

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Solution

The fourth proportional to 13,894,392.51, 19,131,460.47 and 12,342,963.87 is: 16,995,268.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,894,392.51 : 19,131,460.47 = 12,342,963.87 : x
  2. Step 2: Convert to fraction form
    13,894,392.51/19,131,460.47 = 12,342,963.87/x
  3. Step 3: Cross multiply
    13,894,392.51x = 19,131,460.47 × 12,342,963.87
  4. Step 4: Simplify right side
    13,894,392.51x = 236,138,925,361,543.19
  5. Step 5: Solve for x
    x = 236,138,925,361,543.19/13,894,392.51
  6. Step 6: Final answer
    x = 16,995,268.07

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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.