Home / 13,896,784.20-20,853,365.40-5,809,136.70

Finding the Fourth Proportional to 13,896,784.20, 20,853,365.40 and 5,809,136.70

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Solution

The fourth proportional to 13,896,784.20, 20,853,365.40 and 5,809,136.70 is: 8,717,128.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,896,784.20 : 20,853,365.40 = 5,809,136.70 : x
  2. Step 2: Convert to fraction form
    13,896,784.20/20,853,365.40 = 5,809,136.70/x
  3. Step 3: Cross multiply
    13,896,784.20x = 20,853,365.40 × 5,809,136.70
  4. Step 4: Simplify right side
    13,896,784.20x = 121,140,050,263,650.17
  5. Step 5: Solve for x
    x = 121,140,050,263,650.17/13,896,784.20
  6. Step 6: Final answer
    x = 8,717,128.26

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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.