Home / 20,676,521.06-31,018,150.56-6,104,913.51

Finding the Fourth Proportional to 20,676,521.06, 31,018,150.56 and 6,104,913.51

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Solution

The fourth proportional to 20,676,521.06, 31,018,150.56 and 6,104,913.51 is: 9,158,364.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,676,521.06 : 31,018,150.56 = 6,104,913.51 : x
  2. Step 2: Convert to fraction form
    20,676,521.06/31,018,150.56 = 6,104,913.51/x
  3. Step 3: Cross multiply
    20,676,521.06x = 31,018,150.56 × 6,104,913.51
  4. Step 4: Simplify right side
    20,676,521.06x = 189,363,126,408,958.06
  5. Step 5: Solve for x
    x = 189,363,126,408,958.06/20,676,521.06
  6. Step 6: Final answer
    x = 9,158,364.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.