Home / 21,863,052-30,171,013.92-12,205,260

Finding the Fourth Proportional to 21,863,052, 30,171,013.92 and 12,205,260

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Solution

The fourth proportional to 21,863,052, 30,171,013.92 and 12,205,260 is: 16,843,260.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,863,052 : 30,171,013.92 = 12,205,260 : x
  2. Step 2: Convert to fraction form
    21,863,052/30,171,013.92 = 12,205,260/x
  3. Step 3: Cross multiply
    21,863,052x = 30,171,013.92 × 12,205,260
  4. Step 4: Simplify right side
    21,863,052x = 368,245,069,357,219.25
  5. Step 5: Solve for x
    x = 368,245,069,357,219.25/21,863,052
  6. Step 6: Final answer
    x = 16,843,260.01

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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.