Home / 38,068,306.51-52,534,329.63-20,664,663.52

Finding the Fourth Proportional to 38,068,306.51, 52,534,329.63 and 20,664,663.52

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Solution

The fourth proportional to 38,068,306.51, 52,534,329.63 and 20,664,663.52 is: 28,517,271.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,068,306.51 : 52,534,329.63 = 20,664,663.52 : x
  2. Step 2: Convert to fraction form
    38,068,306.51/52,534,329.63 = 20,664,663.52/x
  3. Step 3: Cross multiply
    38,068,306.51x = 52,534,329.63 × 20,664,663.52
  4. Step 4: Simplify right side
    38,068,306.51x = 1,085,604,245,052,716.12
  5. Step 5: Solve for x
    x = 1,085,604,245,052,716.12/38,068,306.51
  6. Step 6: Final answer
    x = 28,517,271.84

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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.