Home / 38,038,661.94-52,493,454.63-20,635,007.16

Finding the Fourth Proportional to 38,038,661.94, 52,493,454.63 and 20,635,007.16

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Solution

The fourth proportional to 38,038,661.94, 52,493,454.63 and 20,635,007.16 is: 28,476,364.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,038,661.94 : 52,493,454.63 = 20,635,007.16 : x
  2. Step 2: Convert to fraction form
    38,038,661.94/52,493,454.63 = 20,635,007.16/x
  3. Step 3: Cross multiply
    38,038,661.94x = 52,493,454.63 × 20,635,007.16
  4. Step 4: Simplify right side
    38,038,661.94x = 1,083,202,811,904,955.88
  5. Step 5: Solve for x
    x = 1,083,202,811,904,955.88/38,038,661.94
  6. Step 6: Final answer
    x = 28,476,364.75

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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.