Home / 13,066,220.67-19,601,947.20-7,317,130.05

Finding the Fourth Proportional to 13,066,220.67, 19,601,947.20 and 7,317,130.05

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Solution

The fourth proportional to 13,066,220.67, 19,601,947.20 and 7,317,130.05 is: 10,977,160.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,066,220.67 : 19,601,947.20 = 7,317,130.05 : x
  2. Step 2: Convert to fraction form
    13,066,220.67/19,601,947.20 = 7,317,130.05/x
  3. Step 3: Cross multiply
    13,066,220.67x = 19,601,947.20 × 7,317,130.05
  4. Step 4: Simplify right side
    13,066,220.67x = 143,429,996,895,633.34
  5. Step 5: Solve for x
    x = 143,429,996,895,633.34/13,066,220.67
  6. Step 6: Final answer
    x = 10,977,160.15

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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.