Home / 30,614,647.34-42,248,215.62-16,863,611.47

Finding the Fourth Proportional to 30,614,647.34, 42,248,215.62 and 16,863,611.47

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Solution

The fourth proportional to 30,614,647.34, 42,248,215.62 and 16,863,611.47 is: 23,271,785.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,614,647.34 : 42,248,215.62 = 16,863,611.47 : x
  2. Step 2: Convert to fraction form
    30,614,647.34/42,248,215.62 = 16,863,611.47/x
  3. Step 3: Cross multiply
    30,614,647.34x = 42,248,215.62 × 16,863,611.47
  4. Step 4: Simplify right side
    30,614,647.34x = 712,457,493,410,844.62
  5. Step 5: Solve for x
    x = 712,457,493,410,844.62/30,614,647.34
  6. Step 6: Final answer
    x = 23,271,785.09

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1.5x scale

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.