Home / 21,955,664.99-30,288,881.71-13,251,055.07

Finding the Fourth Proportional to 21,955,664.99, 30,288,881.71 and 13,251,055.07

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Solution

The fourth proportional to 21,955,664.99, 30,288,881.71 and 13,251,055.07 is: 18,280,459.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,955,664.99 : 30,288,881.71 = 13,251,055.07 : x
  2. Step 2: Convert to fraction form
    21,955,664.99/30,288,881.71 = 13,251,055.07/x
  3. Step 3: Cross multiply
    21,955,664.99x = 30,288,881.71 × 13,251,055.07
  4. Step 4: Simplify right side
    21,955,664.99x = 401,359,639,640,211.81
  5. Step 5: Solve for x
    x = 401,359,639,640,211.81/21,955,664.99
  6. Step 6: Final answer
    x = 18,280,459.27

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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.