Home / 20,508,019.10-30,762,028.65-17,173,670.30

Finding the Fourth Proportional to 20,508,019.10, 30,762,028.65 and 17,173,670.30

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Solution

The fourth proportional to 20,508,019.10, 30,762,028.65 and 17,173,670.30 is: 25,760,505.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,508,019.10 : 30,762,028.65 = 17,173,670.30 : x
  2. Step 2: Convert to fraction form
    20,508,019.10/30,762,028.65 = 17,173,670.30/x
  3. Step 3: Cross multiply
    20,508,019.10x = 30,762,028.65 × 17,173,670.30
  4. Step 4: Simplify right side
    20,508,019.10x = 528,296,937,794,254.06
  5. Step 5: Solve for x
    x = 528,296,937,794,254.06/20,508,019.10
  6. Step 6: Final answer
    x = 25,760,505.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.