Home / 12,956,000.40-19,434,000.60-11,982,790.80

Finding the Fourth Proportional to 12,956,000.40, 19,434,000.60 and 11,982,790.80

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Solution

The fourth proportional to 12,956,000.40, 19,434,000.60 and 11,982,790.80 is: 17,974,186.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,956,000.40 : 19,434,000.60 = 11,982,790.80 : x
  2. Step 2: Convert to fraction form
    12,956,000.40/19,434,000.60 = 11,982,790.80/x
  3. Step 3: Cross multiply
    12,956,000.40x = 19,434,000.60 × 11,982,790.80
  4. Step 4: Simplify right side
    12,956,000.40x = 232,873,563,596,874.50
  5. Step 5: Solve for x
    x = 232,873,563,596,874.50/12,956,000.40
  6. Step 6: Final answer
    x = 17,974,186.20

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1.5x scale

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.