Home / 12,893,056.34-17,793,722.78-7,387,161.52

Finding the Fourth Proportional to 12,893,056.34, 17,793,722.78 and 7,387,161.52

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Solution

The fourth proportional to 12,893,056.34, 17,793,722.78 and 7,387,161.52 is: 10,195,030.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,893,056.34 : 17,793,722.78 = 7,387,161.52 : x
  2. Step 2: Convert to fraction form
    12,893,056.34/17,793,722.78 = 7,387,161.52/x
  3. Step 3: Cross multiply
    12,893,056.34x = 17,793,722.78 × 7,387,161.52
  4. Step 4: Simplify right side
    12,893,056.34x = 131,445,104,217,963.42
  5. Step 5: Solve for x
    x = 131,445,104,217,963.42/12,893,056.34
  6. Step 6: Final answer
    x = 10,195,030.62

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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.