Home / 21,809,239-30,095,522.30-12,019,652.30

Finding the Fourth Proportional to 21,809,239, 30,095,522.30 and 12,019,652.30

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Solution

The fourth proportional to 21,809,239, 30,095,522.30 and 12,019,652.30 is: 16,586,443.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,809,239 : 30,095,522.30 = 12,019,652.30 : x
  2. Step 2: Convert to fraction form
    21,809,239/30,095,522.30 = 12,019,652.30/x
  3. Step 3: Cross multiply
    21,809,239x = 30,095,522.30 × 12,019,652.30
  4. Step 4: Simplify right side
    21,809,239x = 361,737,713,832,896.31
  5. Step 5: Solve for x
    x = 361,737,713,832,896.31/21,809,239
  6. Step 6: Final answer
    x = 16,586,443.66

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1.5x scale

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.