Home / 39,861,354.68-55,008,669-21,526,640.18

Finding the Fourth Proportional to 39,861,354.68, 55,008,669 and 21,526,640.18

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Solution

The fourth proportional to 39,861,354.68, 55,008,669 and 21,526,640.18 is: 29,706,763.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,861,354.68 : 55,008,669 = 21,526,640.18 : x
  2. Step 2: Convert to fraction form
    39,861,354.68/55,008,669 = 21,526,640.18/x
  3. Step 3: Cross multiply
    39,861,354.68x = 55,008,669 × 21,526,640.18
  4. Step 4: Simplify right side
    39,861,354.68x = 1,184,151,824,068,677
  5. Step 5: Solve for x
    x = 1,184,151,824,068,677/39,861,354.68
  6. Step 6: Final answer
    x = 29,706,763.20

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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.