Home / 30,521,811.06-42,120,089.37-16,771,660.92

Finding the Fourth Proportional to 30,521,811.06, 42,120,089.37 and 16,771,660.92

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Solution

The fourth proportional to 30,521,811.06, 42,120,089.37 and 16,771,660.92 is: 23,144,886.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,521,811.06 : 42,120,089.37 = 16,771,660.92 : x
  2. Step 2: Convert to fraction form
    30,521,811.06/42,120,089.37 = 16,771,660.92/x
  3. Step 3: Cross multiply
    30,521,811.06x = 42,120,089.37 × 16,771,660.92
  4. Step 4: Simplify right side
    30,521,811.06x = 706,423,856,833,736.38
  5. Step 5: Solve for x
    x = 706,423,856,833,736.38/30,521,811.06
  6. Step 6: Final answer
    x = 23,144,886.63

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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.