Home / 30,361,581-45,542,415.30-12,410,685

Finding the Fourth Proportional to 30,361,581, 45,542,415.30 and 12,410,685

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Solution

The fourth proportional to 30,361,581, 45,542,415.30 and 12,410,685 is: 18,616,045.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,361,581 : 45,542,415.30 = 12,410,685 : x
  2. Step 2: Convert to fraction form
    30,361,581/45,542,415.30 = 12,410,685/x
  3. Step 3: Cross multiply
    30,361,581x = 45,542,415.30 × 12,410,685
  4. Step 4: Simplify right side
    30,361,581x = 565,212,570,427,480.50
  5. Step 5: Solve for x
    x = 565,212,570,427,480.50/30,361,581
  6. Step 6: Final answer
    x = 18,616,045.40

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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.