Home / 19,789,999.30-29,684,014.80-10,206,346.60

Finding the Fourth Proportional to 19,789,999.30, 29,684,014.80 and 10,206,346.60

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Solution

The fourth proportional to 19,789,999.30, 29,684,014.80 and 10,206,346.60 is: 15,309,012.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,789,999.30 : 29,684,014.80 = 10,206,346.60 : x
  2. Step 2: Convert to fraction form
    19,789,999.30/29,684,014.80 = 10,206,346.60/x
  3. Step 3: Cross multiply
    19,789,999.30x = 29,684,014.80 × 10,206,346.60
  4. Step 4: Simplify right side
    19,789,999.30x = 302,965,343,528,329.69
  5. Step 5: Solve for x
    x = 302,965,343,528,329.69/19,789,999.30
  6. Step 6: Final answer
    x = 15,309,012.34

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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.