Home / 14,171,808.80-21,260,823.60-6,986,784.80

Finding the Fourth Proportional to 14,171,808.80, 21,260,823.60 and 6,986,784.80

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Solution

The fourth proportional to 14,171,808.80, 21,260,823.60 and 6,986,784.80 is: 10,481,710.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,171,808.80 : 21,260,823.60 = 6,986,784.80 : x
  2. Step 2: Convert to fraction form
    14,171,808.80/21,260,823.60 = 6,986,784.80/x
  3. Step 3: Cross multiply
    14,171,808.80x = 21,260,823.60 × 6,986,784.80
  4. Step 4: Simplify right side
    14,171,808.80x = 148,544,799,163,961.28
  5. Step 5: Solve for x
    x = 148,544,799,163,961.28/14,171,808.80
  6. Step 6: Final answer
    x = 10,481,710.65

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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.