Home / 21,913,040.97-30,249,682.47-13,095,603.72

Finding the Fourth Proportional to 21,913,040.97, 30,249,682.47 and 13,095,603.72

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Solution

The fourth proportional to 21,913,040.97, 30,249,682.47 and 13,095,603.72 is: 18,077,721.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,913,040.97 : 30,249,682.47 = 13,095,603.72 : x
  2. Step 2: Convert to fraction form
    21,913,040.97/30,249,682.47 = 13,095,603.72/x
  3. Step 3: Cross multiply
    21,913,040.97x = 30,249,682.47 × 13,095,603.72
  4. Step 4: Simplify right side
    21,913,040.97x = 396,137,854,282,950.81
  5. Step 5: Solve for x
    x = 396,137,854,282,950.81/21,913,040.97
  6. Step 6: Final answer
    x = 18,077,721.61

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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.