Home / 14,163,756.80-21,217,641.60-7,762,553.60

Finding the Fourth Proportional to 14,163,756.80, 21,217,641.60 and 7,762,553.60

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Solution

The fourth proportional to 14,163,756.80, 21,217,641.60 and 7,762,553.60 is: 11,628,488.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,163,756.80 : 21,217,641.60 = 7,762,553.60 : x
  2. Step 2: Convert to fraction form
    14,163,756.80/21,217,641.60 = 7,762,553.60/x
  3. Step 3: Cross multiply
    14,163,756.80x = 21,217,641.60 × 7,762,553.60
  4. Step 4: Simplify right side
    14,163,756.80x = 164,703,080,185,589.75
  5. Step 5: Solve for x
    x = 164,703,080,185,589.75/14,163,756.80
  6. Step 6: Final answer
    x = 11,628,488.30

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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.