Home / 38,258,528.72-52,796,339.84-20,854,492.08

Finding the Fourth Proportional to 38,258,528.72, 52,796,339.84 and 20,854,492.08

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Solution

The fourth proportional to 38,258,528.72, 52,796,339.84 and 20,854,492.08 is: 28,778,964.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,258,528.72 : 52,796,339.84 = 20,854,492.08 : x
  2. Step 2: Convert to fraction form
    38,258,528.72/52,796,339.84 = 20,854,492.08/x
  3. Step 3: Cross multiply
    38,258,528.72x = 52,796,339.84 × 20,854,492.08
  4. Step 4: Simplify right side
    38,258,528.72x = 1,101,040,851,046,268.50
  5. Step 5: Solve for x
    x = 1,101,040,851,046,268.50/38,258,528.72
  6. Step 6: Final answer
    x = 28,778,964.79

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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.