Home / 13,448,214.60-20,148,702.30-11,039,015.40

Finding the Fourth Proportional to 13,448,214.60, 20,148,702.30 and 11,039,015.40

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Solution

The fourth proportional to 13,448,214.60, 20,148,702.30 and 11,039,015.40 is: 16,539,134.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,448,214.60 : 20,148,702.30 = 11,039,015.40 : x
  2. Step 2: Convert to fraction form
    13,448,214.60/20,148,702.30 = 11,039,015.40/x
  3. Step 3: Cross multiply
    13,448,214.60x = 20,148,702.30 × 11,039,015.40
  4. Step 4: Simplify right side
    13,448,214.60x = 222,421,834,979,715.44
  5. Step 5: Solve for x
    x = 222,421,834,979,715.44/13,448,214.60
  6. Step 6: Final answer
    x = 16,539,134.87

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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.