Home / 13,623,166.68-18,804,525.63-8,118,267.76

Finding the Fourth Proportional to 13,623,166.68, 18,804,525.63 and 8,118,267.76

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Solution

The fourth proportional to 13,623,166.68, 18,804,525.63 and 8,118,267.76 is: 11,205,924.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,623,166.68 : 18,804,525.63 = 8,118,267.76 : x
  2. Step 2: Convert to fraction form
    13,623,166.68/18,804,525.63 = 8,118,267.76/x
  3. Step 3: Cross multiply
    13,623,166.68x = 18,804,525.63 × 8,118,267.76
  4. Step 4: Simplify right side
    13,623,166.68x = 152,660,174,164,122.69
  5. Step 5: Solve for x
    x = 152,660,174,164,122.69/13,623,166.68
  6. Step 6: Final answer
    x = 11,205,924.27

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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.