Home / 13,209,337.80-19,814,006.70-12,033,606.60

Finding the Fourth Proportional to 13,209,337.80, 19,814,006.70 and 12,033,606.60

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Solution

The fourth proportional to 13,209,337.80, 19,814,006.70 and 12,033,606.60 is: 18,050,409.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,209,337.80 : 19,814,006.70 = 12,033,606.60 : x
  2. Step 2: Convert to fraction form
    13,209,337.80/19,814,006.70 = 12,033,606.60/x
  3. Step 3: Cross multiply
    13,209,337.80x = 19,814,006.70 × 12,033,606.60
  4. Step 4: Simplify right side
    13,209,337.80x = 238,433,961,797,564.22
  5. Step 5: Solve for x
    x = 238,433,961,797,564.22/13,209,337.80
  6. Step 6: Final answer
    x = 18,050,409.90

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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.