Home / 19,374,868-26,738,147.28-10,790,164

Finding the Fourth Proportional to 19,374,868, 26,738,147.28 and 10,790,164

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Solution

The fourth proportional to 19,374,868, 26,738,147.28 and 10,790,164 is: 14,890,888.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,374,868 : 26,738,147.28 = 10,790,164 : x
  2. Step 2: Convert to fraction form
    19,374,868/26,738,147.28 = 10,790,164/x
  3. Step 3: Cross multiply
    19,374,868x = 26,738,147.28 × 10,790,164
  4. Step 4: Simplify right side
    19,374,868x = 288,508,994,207,353.94
  5. Step 5: Solve for x
    x = 288,508,994,207,353.94/19,374,868
  6. Step 6: Final answer
    x = 14,890,888.25

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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.