Home / 12,549,499.56-17,318,309.62-7,116,991.56

Finding the Fourth Proportional to 12,549,499.56, 17,318,309.62 and 7,116,991.56

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Solution

The fourth proportional to 12,549,499.56, 17,318,309.62 and 7,116,991.56 is: 9,821,448.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,549,499.56 : 17,318,309.62 = 7,116,991.56 : x
  2. Step 2: Convert to fraction form
    12,549,499.56/17,318,309.62 = 7,116,991.56/x
  3. Step 3: Cross multiply
    12,549,499.56x = 17,318,309.62 × 7,116,991.56
  4. Step 4: Simplify right side
    12,549,499.56x = 123,254,263,399,006.81
  5. Step 5: Solve for x
    x = 123,254,263,399,006.81/12,549,499.56
  6. Step 6: Final answer
    x = 9,821,448.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.