Home / 21,117,004.63-29,141,466.39-11,459,212.63

Finding the Fourth Proportional to 21,117,004.63, 29,141,466.39 and 11,459,212.63

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Solution

The fourth proportional to 21,117,004.63, 29,141,466.39 and 11,459,212.63 is: 15,813,713.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,117,004.63 : 29,141,466.39 = 11,459,212.63 : x
  2. Step 2: Convert to fraction form
    21,117,004.63/29,141,466.39 = 11,459,212.63/x
  3. Step 3: Cross multiply
    21,117,004.63x = 29,141,466.39 × 11,459,212.63
  4. Step 4: Simplify right side
    21,117,004.63x = 333,938,259,640,154.81
  5. Step 5: Solve for x
    x = 333,938,259,640,154.81/21,117,004.63
  6. Step 6: Final answer
    x = 15,813,713.43

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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.