Home / 38,308,023.71-52,864,637.21-20,904,665.03

Finding the Fourth Proportional to 38,308,023.71, 52,864,637.21 and 20,904,665.03

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Solution

The fourth proportional to 38,308,023.71, 52,864,637.21 and 20,904,665.03 is: 28,848,200.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,308,023.71 : 52,864,637.21 = 20,904,665.03 : x
  2. Step 2: Convert to fraction form
    38,308,023.71/52,864,637.21 = 20,904,665.03/x
  3. Step 3: Cross multiply
    38,308,023.71x = 52,864,637.21 × 20,904,665.03
  4. Step 4: Simplify right side
    38,308,023.71x = 1,105,117,532,595,462.12
  5. Step 5: Solve for x
    x = 1,105,117,532,595,462.12/38,308,023.71
  6. Step 6: Final answer
    x = 28,848,200.08

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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.