Home / 19,957,561.80-29,936,342.70-13,533,030.60

Finding the Fourth Proportional to 19,957,561.80, 29,936,342.70 and 13,533,030.60

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Solution

The fourth proportional to 19,957,561.80, 29,936,342.70 and 13,533,030.60 is: 20,299,545.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,957,561.80 : 29,936,342.70 = 13,533,030.60 : x
  2. Step 2: Convert to fraction form
    19,957,561.80/29,936,342.70 = 13,533,030.60/x
  3. Step 3: Cross multiply
    19,957,561.80x = 29,936,342.70 × 13,533,030.60
  4. Step 4: Simplify right side
    19,957,561.80x = 405,129,441,811,186.62
  5. Step 5: Solve for x
    x = 405,129,441,811,186.62/19,957,561.80
  6. Step 6: Final answer
    x = 20,299,545.90

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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.