Home / 18,480,389.78-27,718,466.76-4,834,852.98

Finding the Fourth Proportional to 18,480,389.78, 27,718,466.76 and 4,834,852.98

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Solution

The fourth proportional to 18,480,389.78, 27,718,466.76 and 4,834,852.98 is: 7,251,725.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,480,389.78 : 27,718,466.76 = 4,834,852.98 : x
  2. Step 2: Convert to fraction form
    18,480,389.78/27,718,466.76 = 4,834,852.98/x
  3. Step 3: Cross multiply
    18,480,389.78x = 27,718,466.76 × 4,834,852.98
  4. Step 4: Simplify right side
    18,480,389.78x = 134,014,711,615,616.97
  5. Step 5: Solve for x
    x = 134,014,711,615,616.97/18,480,389.78
  6. Step 6: Final answer
    x = 7,251,725.38

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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.