Home / 15,582,230.28-21,517,265.88-9,711,883.26

Finding the Fourth Proportional to 15,582,230.28, 21,517,265.88 and 9,711,883.26

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Solution

The fourth proportional to 15,582,230.28, 21,517,265.88 and 9,711,883.26 is: 13,410,992.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,582,230.28 : 21,517,265.88 = 9,711,883.26 : x
  2. Step 2: Convert to fraction form
    15,582,230.28/21,517,265.88 = 9,711,883.26/x
  3. Step 3: Cross multiply
    15,582,230.28x = 21,517,265.88 × 9,711,883.26
  4. Step 4: Simplify right side
    15,582,230.28x = 208,973,174,300,941.16
  5. Step 5: Solve for x
    x = 208,973,174,300,941.16/15,582,230.28
  6. Step 6: Final answer
    x = 13,410,992.56

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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.