Home / 14,009,982.80-21,014,974.20-8,971,134.80

Finding the Fourth Proportional to 14,009,982.80, 21,014,974.20 and 8,971,134.80

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Solution

The fourth proportional to 14,009,982.80, 21,014,974.20 and 8,971,134.80 is: 13,456,702.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,009,982.80 : 21,014,974.20 = 8,971,134.80 : x
  2. Step 2: Convert to fraction form
    14,009,982.80/21,014,974.20 = 8,971,134.80/x
  3. Step 3: Cross multiply
    14,009,982.80x = 21,014,974.20 × 8,971,134.80
  4. Step 4: Simplify right side
    14,009,982.80x = 188,528,166,366,722.16
  5. Step 5: Solve for x
    x = 188,528,166,366,722.16/14,009,982.80
  6. Step 6: Final answer
    x = 13,456,702.20

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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.