Home / 13,558,913.60-20,336,121.73-4,461,122.08

Finding the Fourth Proportional to 13,558,913.60, 20,336,121.73 and 4,461,122.08

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Solution

The fourth proportional to 13,558,913.60, 20,336,121.73 and 4,461,122.08 is: 6,690,943.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,558,913.60 : 20,336,121.73 = 4,461,122.08 : x
  2. Step 2: Convert to fraction form
    13,558,913.60/20,336,121.73 = 4,461,122.08/x
  3. Step 3: Cross multiply
    13,558,913.60x = 20,336,121.73 × 4,461,122.08
  4. Step 4: Simplify right side
    13,558,913.60x = 90,721,921,702,267.34
  5. Step 5: Solve for x
    x = 90,721,921,702,267.34/13,558,913.60
  6. Step 6: Final answer
    x = 6,690,943.27

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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.