Home / 13,289,637.80-19,934,456.70-13,163,666.60

Finding the Fourth Proportional to 13,289,637.80, 19,934,456.70 and 13,163,666.60

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Solution

The fourth proportional to 13,289,637.80, 19,934,456.70 and 13,163,666.60 is: 19,745,499.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,289,637.80 : 19,934,456.70 = 13,163,666.60 : x
  2. Step 2: Convert to fraction form
    13,289,637.80/19,934,456.70 = 13,163,666.60/x
  3. Step 3: Cross multiply
    13,289,637.80x = 19,934,456.70 × 13,163,666.60
  4. Step 4: Simplify right side
    13,289,637.80x = 262,410,541,850,936.19
  5. Step 5: Solve for x
    x = 262,410,541,850,936.19/13,289,637.80
  6. Step 6: Final answer
    x = 19,745,499.90

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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.