Home / 38,290,045.32-52,840,599.77-20,886,467.94

Finding the Fourth Proportional to 38,290,045.32, 52,840,599.77 and 20,886,467.94

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Solution

The fourth proportional to 38,290,045.32, 52,840,599.77 and 20,886,467.94 is: 28,823,509.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,290,045.32 : 52,840,599.77 = 20,886,467.94 : x
  2. Step 2: Convert to fraction form
    38,290,045.32/52,840,599.77 = 20,886,467.94/x
  3. Step 3: Cross multiply
    38,290,045.32x = 52,840,599.77 × 20,886,467.94
  4. Step 4: Simplify right side
    38,290,045.32x = 1,103,653,492,922,044.12
  5. Step 5: Solve for x
    x = 1,103,653,492,922,044.12/38,290,045.32
  6. Step 6: Final answer
    x = 28,823,509.71

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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.