Home / 18,562,897.80-27,886,337.10-12,894,193.80

Finding the Fourth Proportional to 18,562,897.80, 27,886,337.10 and 12,894,193.80

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Solution

The fourth proportional to 18,562,897.80, 27,886,337.10 and 12,894,193.80 is: 19,370,458.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,562,897.80 : 27,886,337.10 = 12,894,193.80 : x
  2. Step 2: Convert to fraction form
    18,562,897.80/27,886,337.10 = 12,894,193.80/x
  3. Step 3: Cross multiply
    18,562,897.80x = 27,886,337.10 × 12,894,193.80
  4. Step 4: Simplify right side
    18,562,897.80x = 359,571,834,939,530
  5. Step 5: Solve for x
    x = 359,571,834,939,530/18,562,897.80
  6. Step 6: Final answer
    x = 19,370,458.15

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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.