Home / 18,456,847.80-27,685,271.70-13,355,014.20

Finding the Fourth Proportional to 18,456,847.80, 27,685,271.70 and 13,355,014.20

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Solution

The fourth proportional to 18,456,847.80, 27,685,271.70 and 13,355,014.20 is: 20,032,521.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,456,847.80 : 27,685,271.70 = 13,355,014.20 : x
  2. Step 2: Convert to fraction form
    18,456,847.80/27,685,271.70 = 13,355,014.20/x
  3. Step 3: Cross multiply
    18,456,847.80x = 27,685,271.70 × 13,355,014.20
  4. Step 4: Simplify right side
    18,456,847.80x = 369,737,196,684,358.12
  5. Step 5: Solve for x
    x = 369,737,196,684,358.12/18,456,847.80
  6. Step 6: Final answer
    x = 20,032,521.30

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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.