Home / 19,701,089.70-29,551,634.55-12,142,817.70

Finding the Fourth Proportional to 19,701,089.70, 29,551,634.55 and 12,142,817.70

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Solution

The fourth proportional to 19,701,089.70, 29,551,634.55 and 12,142,817.70 is: 18,214,226.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,701,089.70 : 29,551,634.55 = 12,142,817.70 : x
  2. Step 2: Convert to fraction form
    19,701,089.70/29,551,634.55 = 12,142,817.70/x
  3. Step 3: Cross multiply
    19,701,089.70x = 29,551,634.55 × 12,142,817.70
  4. Step 4: Simplify right side
    19,701,089.70x = 358,840,111,077,671.50
  5. Step 5: Solve for x
    x = 358,840,111,077,671.50/19,701,089.70
  6. Step 6: Final answer
    x = 18,214,226.55

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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.