Home / 19,123,375.37-26,389,587.71-10,421,370.41

Finding the Fourth Proportional to 19,123,375.37, 26,389,587.71 and 10,421,370.41

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Solution

The fourth proportional to 19,123,375.37, 26,389,587.71 and 10,421,370.41 is: 14,381,125.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,123,375.37 : 26,389,587.71 = 10,421,370.41 : x
  2. Step 2: Convert to fraction form
    19,123,375.37/26,389,587.71 = 10,421,370.41/x
  3. Step 3: Cross multiply
    19,123,375.37x = 26,389,587.71 × 10,421,370.41
  4. Step 4: Simplify right side
    19,123,375.37x = 275,015,668,309,038.84
  5. Step 5: Solve for x
    x = 275,015,668,309,038.84/19,123,375.37
  6. Step 6: Final answer
    x = 14,381,125.88

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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.