Home / 39,088,573.12-53,942,293.20-21,684,918.16

Finding the Fourth Proportional to 39,088,573.12, 53,942,293.20 and 21,684,918.16

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Solution

The fourth proportional to 39,088,573.12, 53,942,293.20 and 21,684,918.16 is: 29,925,221.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,088,573.12 : 53,942,293.20 = 21,684,918.16 : x
  2. Step 2: Convert to fraction form
    39,088,573.12/53,942,293.20 = 21,684,918.16/x
  3. Step 3: Cross multiply
    39,088,573.12x = 53,942,293.20 × 21,684,918.16
  4. Step 4: Simplify right side
    39,088,573.12x = 1,169,734,213,404,724.50
  5. Step 5: Solve for x
    x = 1,169,734,213,404,724.50/39,088,573.12
  6. Step 6: Final answer
    x = 29,925,221.62

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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.