Home / 39,856,544.70-59,784,817.05-12,930,200.70

Finding the Fourth Proportional to 39,856,544.70, 59,784,817.05 and 12,930,200.70

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Solution

The fourth proportional to 39,856,544.70, 59,784,817.05 and 12,930,200.70 is: 19,395,301.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,856,544.70 : 59,784,817.05 = 12,930,200.70 : x
  2. Step 2: Convert to fraction form
    39,856,544.70/59,784,817.05 = 12,930,200.70/x
  3. Step 3: Cross multiply
    39,856,544.70x = 59,784,817.05 × 12,930,200.70
  4. Step 4: Simplify right side
    39,856,544.70x = 773,029,683,269,281.88
  5. Step 5: Solve for x
    x = 773,029,683,269,281.88/39,856,544.70
  6. Step 6: Final answer
    x = 19,395,301.05

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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.