Home / 38,386,820.88-52,973,815.32-20,983,235.04

Finding the Fourth Proportional to 38,386,820.88, 52,973,815.32 and 20,983,235.04

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Solution

The fourth proportional to 38,386,820.88, 52,973,815.32 and 20,983,235.04 is: 28,956,865.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,386,820.88 : 52,973,815.32 = 20,983,235.04 : x
  2. Step 2: Convert to fraction form
    38,386,820.88/52,973,815.32 = 20,983,235.04/x
  3. Step 3: Cross multiply
    38,386,820.88x = 52,973,815.32 × 20,983,235.04
  4. Step 4: Simplify right side
    38,386,820.88x = 1,111,562,017,825,112.75
  5. Step 5: Solve for x
    x = 1,111,562,017,825,112.75/38,386,820.88
  6. Step 6: Final answer
    x = 28,956,865.72

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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.