Home / 18,360,077.40-27,546,895.80-7,578,313.20

Finding the Fourth Proportional to 18,360,077.40, 27,546,895.80 and 7,578,313.20

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Solution

The fourth proportional to 18,360,077.40, 27,546,895.80 and 7,578,313.20 is: 11,370,268.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,360,077.40 : 27,546,895.80 = 7,578,313.20 : x
  2. Step 2: Convert to fraction form
    18,360,077.40/27,546,895.80 = 7,578,313.20/x
  3. Step 3: Cross multiply
    18,360,077.40x = 27,546,895.80 × 7,578,313.20
  4. Step 4: Simplify right side
    18,360,077.40x = 208,759,004,060,164.56
  5. Step 5: Solve for x
    x = 208,759,004,060,164.56/18,360,077.40
  6. Step 6: Final answer
    x = 11,370,268.19

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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.