Home / 48,780,392.88-67,297,740.12-28,149,852.72

Finding the Fourth Proportional to 48,780,392.88, 67,297,740.12 and 28,149,852.72

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Solution

The fourth proportional to 48,780,392.88, 67,297,740.12 and 28,149,852.72 is: 38,835,715.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,780,392.88 : 67,297,740.12 = 28,149,852.72 : x
  2. Step 2: Convert to fraction form
    48,780,392.88/67,297,740.12 = 28,149,852.72/x
  3. Step 3: Cross multiply
    48,780,392.88x = 67,297,740.12 × 28,149,852.72
  4. Step 4: Simplify right side
    48,780,392.88x = 1,894,421,472,766,835.25
  5. Step 5: Solve for x
    x = 1,894,421,472,766,835.25/48,780,392.88
  6. Step 6: Final answer
    x = 38,835,715.76

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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.