Home / 13,590,911.80-20,386,367.70-13,068,364.60

Finding the Fourth Proportional to 13,590,911.80, 20,386,367.70 and 13,068,364.60

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Solution

The fourth proportional to 13,590,911.80, 20,386,367.70 and 13,068,364.60 is: 19,602,546.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,590,911.80 : 20,386,367.70 = 13,068,364.60 : x
  2. Step 2: Convert to fraction form
    13,590,911.80/20,386,367.70 = 13,068,364.60/x
  3. Step 3: Cross multiply
    13,590,911.80x = 20,386,367.70 × 13,068,364.60
  4. Step 4: Simplify right side
    13,590,911.80x = 266,416,485,973,263.41
  5. Step 5: Solve for x
    x = 266,416,485,973,263.41/13,590,911.80
  6. Step 6: Final answer
    x = 19,602,546.90

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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.