Home / 37,929,439.79-52,342,758.85-20,525,780.40

Finding the Fourth Proportional to 37,929,439.79, 52,342,758.85 and 20,525,780.40

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Solution

The fourth proportional to 37,929,439.79, 52,342,758.85 and 20,525,780.40 is: 28,325,648.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,929,439.79 : 52,342,758.85 = 20,525,780.40 : x
  2. Step 2: Convert to fraction form
    37,929,439.79/52,342,758.85 = 20,525,780.40/x
  3. Step 3: Cross multiply
    37,929,439.79x = 52,342,758.85 × 20,525,780.40
  4. Step 4: Simplify right side
    37,929,439.79x = 1,074,375,973,476,163
  5. Step 5: Solve for x
    x = 1,074,375,973,476,163/37,929,439.79
  6. Step 6: Final answer
    x = 28,325,648.35

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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.