Home / 13,235,637.22-19,792,506.06-12,589,936.40

Finding the Fourth Proportional to 13,235,637.22, 19,792,506.06 and 12,589,936.40

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Solution

The fourth proportional to 13,235,637.22, 19,792,506.06 and 12,589,936.40 is: 18,826,928.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,235,637.22 : 19,792,506.06 = 12,589,936.40 : x
  2. Step 2: Convert to fraction form
    13,235,637.22/19,792,506.06 = 12,589,936.40/x
  3. Step 3: Cross multiply
    13,235,637.22x = 19,792,506.06 × 12,589,936.40
  4. Step 4: Simplify right side
    13,235,637.22x = 249,186,392,541,495.84
  5. Step 5: Solve for x
    x = 249,186,392,541,495.84/13,235,637.22
  6. Step 6: Final answer
    x = 18,826,928.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.