Home / 38,290,045.19-52,840,599.59-20,886,467.81

Finding the Fourth Proportional to 38,290,045.19, 52,840,599.59 and 20,886,467.81

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Solution

The fourth proportional to 38,290,045.19, 52,840,599.59 and 20,886,467.81 is: 28,823,509.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,290,045.19 : 52,840,599.59 = 20,886,467.81 : x
  2. Step 2: Convert to fraction form
    38,290,045.19/52,840,599.59 = 20,886,467.81/x
  3. Step 3: Cross multiply
    38,290,045.19x = 52,840,599.59 × 20,886,467.81
  4. Step 4: Simplify right side
    38,290,045.19x = 1,103,653,482,397,634.25
  5. Step 5: Solve for x
    x = 1,103,653,482,397,634.25/38,290,045.19
  6. Step 6: Final answer
    x = 28,823,509.53

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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.