Home / 13,623,162.61-18,804,520.02-8,118,263.70

Finding the Fourth Proportional to 13,623,162.61, 18,804,520.02 and 8,118,263.70

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Solution

The fourth proportional to 13,623,162.61, 18,804,520.02 and 8,118,263.70 is: 11,205,918.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,623,162.61 : 18,804,520.02 = 8,118,263.70 : x
  2. Step 2: Convert to fraction form
    13,623,162.61/18,804,520.02 = 8,118,263.70/x
  3. Step 3: Cross multiply
    13,623,162.61x = 18,804,520.02 × 8,118,263.70
  4. Step 4: Simplify right side
    13,623,162.61x = 152,660,052,180,266.69
  5. Step 5: Solve for x
    x = 152,660,052,180,266.69/13,623,162.61
  6. Step 6: Final answer
    x = 11,205,918.67

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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.