Home / 12,976,706.07-19,466,994.31-4,778,717.78

Finding the Fourth Proportional to 12,976,706.07, 19,466,994.31 and 4,778,717.78

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Solution

The fourth proportional to 12,976,706.07, 19,466,994.31 and 4,778,717.78 is: 7,168,789.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,976,706.07 : 19,466,994.31 = 4,778,717.78 : x
  2. Step 2: Convert to fraction form
    12,976,706.07/19,466,994.31 = 4,778,717.78/x
  3. Step 3: Cross multiply
    12,976,706.07x = 19,466,994.31 × 4,778,717.78
  4. Step 4: Simplify right side
    12,976,706.07x = 93,027,271,869,076.52
  5. Step 5: Solve for x
    x = 93,027,271,869,076.52/12,976,706.07
  6. Step 6: Final answer
    x = 7,168,789.32

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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.