Home / 38,308,022.96-52,864,636.18-20,904,664.28

Finding the Fourth Proportional to 38,308,022.96, 52,864,636.18 and 20,904,664.28

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Solution

The fourth proportional to 38,308,022.96, 52,864,636.18 and 20,904,664.28 is: 28,848,199.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,308,022.96 : 52,864,636.18 = 20,904,664.28 : x
  2. Step 2: Convert to fraction form
    38,308,022.96/52,864,636.18 = 20,904,664.28/x
  3. Step 3: Cross multiply
    38,308,022.96x = 52,864,636.18 × 20,904,664.28
  4. Step 4: Simplify right side
    38,308,022.96x = 1,105,117,471,349,853
  5. Step 5: Solve for x
    x = 1,105,117,471,349,853/38,308,022.96
  6. Step 6: Final answer
    x = 28,848,199.05

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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.