Home / 19,956,654.60-29,934,981.90-8,619,246.60

Finding the Fourth Proportional to 19,956,654.60, 29,934,981.90 and 8,619,246.60

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Solution

The fourth proportional to 19,956,654.60, 29,934,981.90 and 8,619,246.60 is: 12,928,869.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,956,654.60 : 29,934,981.90 = 8,619,246.60 : x
  2. Step 2: Convert to fraction form
    19,956,654.60/29,934,981.90 = 8,619,246.60/x
  3. Step 3: Cross multiply
    19,956,654.60x = 29,934,981.90 × 8,619,246.60
  4. Step 4: Simplify right side
    19,956,654.60x = 258,016,990,962,636.53
  5. Step 5: Solve for x
    x = 258,016,990,962,636.53/19,956,654.60
  6. Step 6: Final answer
    x = 12,928,869.90

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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.