Home / 21,913,116.88-30,249,787.44-13,095,679.84

Finding the Fourth Proportional to 21,913,116.88, 30,249,787.44 and 13,095,679.84

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Solution

The fourth proportional to 21,913,116.88, 30,249,787.44 and 13,095,679.84 is: 18,077,826.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,913,116.88 : 30,249,787.44 = 13,095,679.84 : x
  2. Step 2: Convert to fraction form
    21,913,116.88/30,249,787.44 = 13,095,679.84/x
  3. Step 3: Cross multiply
    21,913,116.88x = 30,249,787.44 × 13,095,679.84
  4. Step 4: Simplify right side
    21,913,116.88x = 396,141,531,542,293.25
  5. Step 5: Solve for x
    x = 396,141,531,542,293.25/21,913,116.88
  6. Step 6: Final answer
    x = 18,077,826.80

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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.