Home / 13,294,730.40-19,942,095.60-8,229,616.80

Finding the Fourth Proportional to 13,294,730.40, 19,942,095.60 and 8,229,616.80

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Solution

The fourth proportional to 13,294,730.40, 19,942,095.60 and 8,229,616.80 is: 12,344,425.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,294,730.40 : 19,942,095.60 = 8,229,616.80 : x
  2. Step 2: Convert to fraction form
    13,294,730.40/19,942,095.60 = 8,229,616.80/x
  3. Step 3: Cross multiply
    13,294,730.40x = 19,942,095.60 × 8,229,616.80
  4. Step 4: Simplify right side
    13,294,730.40x = 164,115,804,976,966.09
  5. Step 5: Solve for x
    x = 164,115,804,976,966.09/13,294,730.40
  6. Step 6: Final answer
    x = 12,344,425.20

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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.