Home / 12,483,871.80-18,725,807.70-8,701,625.40

Finding the Fourth Proportional to 12,483,871.80, 18,725,807.70 and 8,701,625.40

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Solution

The fourth proportional to 12,483,871.80, 18,725,807.70 and 8,701,625.40 is: 13,052,438.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,483,871.80 : 18,725,807.70 = 8,701,625.40 : x
  2. Step 2: Convert to fraction form
    12,483,871.80/18,725,807.70 = 8,701,625.40/x
  3. Step 3: Cross multiply
    12,483,871.80x = 18,725,807.70 × 8,701,625.40
  4. Step 4: Simplify right side
    12,483,871.80x = 162,944,963,917,835.59
  5. Step 5: Solve for x
    x = 162,944,963,917,835.59/12,483,871.80
  6. Step 6: Final answer
    x = 13,052,438.10

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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.