Home / 13,066,221.23-19,601,948.03-7,317,130.62

Finding the Fourth Proportional to 13,066,221.23, 19,601,948.03 and 7,317,130.62

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Solution

The fourth proportional to 13,066,221.23, 19,601,948.03 and 7,317,130.62 is: 10,977,161.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,066,221.23 : 19,601,948.03 = 7,317,130.62 : x
  2. Step 2: Convert to fraction form
    13,066,221.23/19,601,948.03 = 7,317,130.62/x
  3. Step 3: Cross multiply
    13,066,221.23x = 19,601,948.03 × 7,317,130.62
  4. Step 4: Simplify right side
    13,066,221.23x = 143,430,014,105,376.03
  5. Step 5: Solve for x
    x = 143,430,014,105,376.03/13,066,221.23
  6. Step 6: Final answer
    x = 10,977,161.00

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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.