Home / 19,128,527.10-28,748,777.85-16,665,090.30

Finding the Fourth Proportional to 19,128,527.10, 28,748,777.85 and 16,665,090.30

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Solution

The fourth proportional to 19,128,527.10, 28,748,777.85 and 16,665,090.30 is: 25,046,412.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,128,527.10 : 28,748,777.85 = 16,665,090.30 : x
  2. Step 2: Convert to fraction form
    19,128,527.10/28,748,777.85 = 16,665,090.30/x
  3. Step 3: Cross multiply
    19,128,527.10x = 28,748,777.85 × 16,665,090.30
  4. Step 4: Simplify right side
    19,128,527.10x = 479,100,978,884,889.88
  5. Step 5: Solve for x
    x = 479,100,978,884,889.88/19,128,527.10
  6. Step 6: Final answer
    x = 25,046,412.43

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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.