Home / 13,548,878.12-18,697,405.14-7,353,924.54

Finding the Fourth Proportional to 13,548,878.12, 18,697,405.14 and 7,353,924.54

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Solution

The fourth proportional to 13,548,878.12, 18,697,405.14 and 7,353,924.54 is: 10,148,390.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,548,878.12 : 18,697,405.14 = 7,353,924.54 : x
  2. Step 2: Convert to fraction form
    13,548,878.12/18,697,405.14 = 7,353,924.54/x
  3. Step 3: Cross multiply
    13,548,878.12x = 18,697,405.14 × 7,353,924.54
  4. Step 4: Simplify right side
    13,548,878.12x = 137,499,306,493,368.14
  5. Step 5: Solve for x
    x = 137,499,306,493,368.14/13,548,878.12
  6. Step 6: Final answer
    x = 10,148,390.54

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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.