Home / 13,548,808.64-18,697,121.28-7,353,722.39

Finding the Fourth Proportional to 13,548,808.64, 18,697,121.28 and 7,353,722.39

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Solution

The fourth proportional to 13,548,808.64, 18,697,121.28 and 7,353,722.39 is: 10,148,009.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,548,808.64 : 18,697,121.28 = 7,353,722.39 : x
  2. Step 2: Convert to fraction form
    13,548,808.64/18,697,121.28 = 7,353,722.39/x
  3. Step 3: Cross multiply
    13,548,808.64x = 18,697,121.28 × 7,353,722.39
  4. Step 4: Simplify right side
    13,548,808.64x = 137,493,439,291,795.86
  5. Step 5: Solve for x
    x = 137,493,439,291,795.86/13,548,808.64
  6. Step 6: Final answer
    x = 10,148,009.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.