Home / 19,102,143.15-26,377,342.11-18,484,443.51

Finding the Fourth Proportional to 19,102,143.15, 26,377,342.11 and 18,484,443.51

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Solution

The fourth proportional to 19,102,143.15, 26,377,342.11 and 18,484,443.51 is: 25,524,386.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,102,143.15 : 26,377,342.11 = 18,484,443.51 : x
  2. Step 2: Convert to fraction form
    19,102,143.15/26,377,342.11 = 18,484,443.51/x
  3. Step 3: Cross multiply
    19,102,143.15x = 26,377,342.11 × 18,484,443.51
  4. Step 4: Simplify right side
    19,102,143.15x = 487,570,490,176,239.25
  5. Step 5: Solve for x
    x = 487,570,490,176,239.25/19,102,143.15
  6. Step 6: Final answer
    x = 25,524,386.78

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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.