Home / 19,359,912-26,718,240.48-11,100,742.76

Finding the Fourth Proportional to 19,359,912, 26,718,240.48 and 11,100,742.76

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Solution

The fourth proportional to 19,359,912, 26,718,240.48 and 11,100,742.76 is: 15,319,920.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,359,912 : 26,718,240.48 = 11,100,742.76 : x
  2. Step 2: Convert to fraction form
    19,359,912/26,718,240.48 = 11,100,742.76/x
  3. Step 3: Cross multiply
    19,359,912x = 26,718,240.48 × 11,100,742.76
  4. Step 4: Simplify right side
    19,359,912x = 296,592,314,568,298.94
  5. Step 5: Solve for x
    x = 296,592,314,568,298.94/19,359,912
  6. Step 6: Final answer
    x = 15,319,920.60

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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.