Home / 19,718,607.20-27,211,689.47-11,016,779.81

Finding the Fourth Proportional to 19,718,607.20, 27,211,689.47 and 11,016,779.81

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Solution

The fourth proportional to 19,718,607.20, 27,211,689.47 and 11,016,779.81 is: 15,203,162.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,718,607.20 : 27,211,689.47 = 11,016,779.81 : x
  2. Step 2: Convert to fraction form
    19,718,607.20/27,211,689.47 = 11,016,779.81/x
  3. Step 3: Cross multiply
    19,718,607.20x = 27,211,689.47 × 11,016,779.81
  4. Step 4: Simplify right side
    19,718,607.20x = 299,785,190,957,943.25
  5. Step 5: Solve for x
    x = 299,785,190,957,943.25/19,718,607.20
  6. Step 6: Final answer
    x = 15,203,162.58

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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.