Home / 38,335,313.10-52,904,875.47-20,933,273.90

Finding the Fourth Proportional to 38,335,313.10, 52,904,875.47 and 20,933,273.90

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Solution

The fourth proportional to 38,335,313.10, 52,904,875.47 and 20,933,273.90 is: 28,889,088.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,335,313.10 : 52,904,875.47 = 20,933,273.90 : x
  2. Step 2: Convert to fraction form
    38,335,313.10/52,904,875.47 = 20,933,273.90/x
  3. Step 3: Cross multiply
    38,335,313.10x = 52,904,875.47 × 20,933,273.90
  4. Step 4: Simplify right side
    38,335,313.10x = 1,107,472,248,858,901.12
  5. Step 5: Solve for x
    x = 1,107,472,248,858,901.12/38,335,313.10
  6. Step 6: Final answer
    x = 28,889,088.40

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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.