Home / 14,480,078.80-21,706,294.20-5,379,739.60

Finding the Fourth Proportional to 14,480,078.80, 21,706,294.20 and 5,379,739.60

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Solution

The fourth proportional to 14,480,078.80, 21,706,294.20 and 5,379,739.60 is: 8,064,473.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,480,078.80 : 21,706,294.20 = 5,379,739.60 : x
  2. Step 2: Convert to fraction form
    14,480,078.80/21,706,294.20 = 5,379,739.60/x
  3. Step 3: Cross multiply
    14,480,078.80x = 21,706,294.20 × 5,379,739.60
  4. Step 4: Simplify right side
    14,480,078.80x = 116,774,210,476,990.31
  5. Step 5: Solve for x
    x = 116,774,210,476,990.31/14,480,078.80
  6. Step 6: Final answer
    x = 8,064,473.41

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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.