Home / 21,111,313.24-29,133,490.62-11,453,313.88

Finding the Fourth Proportional to 21,111,313.24, 29,133,490.62 and 11,453,313.88

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Solution

The fourth proportional to 21,111,313.24, 29,133,490.62 and 11,453,313.88 is: 15,805,507.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,111,313.24 : 29,133,490.62 = 11,453,313.88 : x
  2. Step 2: Convert to fraction form
    21,111,313.24/29,133,490.62 = 11,453,313.88/x
  3. Step 3: Cross multiply
    21,111,313.24x = 29,133,490.62 × 11,453,313.88
  4. Step 4: Simplify right side
    21,111,313.24x = 333,675,012,490,895.81
  5. Step 5: Solve for x
    x = 333,675,012,490,895.81/21,111,313.24
  6. Step 6: Final answer
    x = 15,805,507.16

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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.