Home / 38,298,634.25-52,852,054.97-20,894,981.01

Finding the Fourth Proportional to 38,298,634.25, 52,852,054.97 and 20,894,981.01

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Solution

The fourth proportional to 38,298,634.25, 52,852,054.97 and 20,894,981.01 is: 28,835,040.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,298,634.25 : 52,852,054.97 = 20,894,981.01 : x
  2. Step 2: Convert to fraction form
    38,298,634.25/52,852,054.97 = 20,894,981.01/x
  3. Step 3: Cross multiply
    38,298,634.25x = 52,852,054.97 × 20,894,981.01
  4. Step 4: Simplify right side
    38,298,634.25x = 1,104,342,684,833,151.38
  5. Step 5: Solve for x
    x = 1,104,342,684,833,151.38/38,298,634.25
  6. Step 6: Final answer
    x = 28,835,040.90

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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.