Home / 30,852,906.84-42,576,088.56-16,913,785.20

Finding the Fourth Proportional to 30,852,906.84, 42,576,088.56 and 16,913,785.20

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Solution

The fourth proportional to 30,852,906.84, 42,576,088.56 and 16,913,785.20 is: 23,340,517.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,852,906.84 : 42,576,088.56 = 16,913,785.20 : x
  2. Step 2: Convert to fraction form
    30,852,906.84/42,576,088.56 = 16,913,785.20/x
  3. Step 3: Cross multiply
    30,852,906.84x = 42,576,088.56 × 16,913,785.20
  4. Step 4: Simplify right side
    30,852,906.84x = 720,122,816,560,017.38
  5. Step 5: Solve for x
    x = 720,122,816,560,017.38/30,852,906.84
  6. Step 6: Final answer
    x = 23,340,517.65

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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.