Home / 20,255,938.61-27,950,220.09-11,313,947.25

Finding the Fourth Proportional to 20,255,938.61, 27,950,220.09 and 11,313,947.25

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Solution

The fourth proportional to 20,255,938.61, 27,950,220.09 and 11,313,947.25 is: 15,611,585.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,255,938.61 : 27,950,220.09 = 11,313,947.25 : x
  2. Step 2: Convert to fraction form
    20,255,938.61/27,950,220.09 = 11,313,947.25/x
  3. Step 3: Cross multiply
    20,255,938.61x = 27,950,220.09 × 11,313,947.25
  4. Step 4: Simplify right side
    20,255,938.61x = 316,227,315,724,150.25
  5. Step 5: Solve for x
    x = 316,227,315,724,150.25/20,255,938.61
  6. Step 6: Final answer
    x = 15,611,585.42

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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.