Home / 12,228,538.55-16,868,335.50-7,636,888.31

Finding the Fourth Proportional to 12,228,538.55, 16,868,335.50 and 7,636,888.31

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Solution

The fourth proportional to 12,228,538.55, 16,868,335.50 and 7,636,888.31 is: 10,534,504.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,228,538.55 : 16,868,335.50 = 7,636,888.31 : x
  2. Step 2: Convert to fraction form
    12,228,538.55/16,868,335.50 = 7,636,888.31/x
  3. Step 3: Cross multiply
    12,228,538.55x = 16,868,335.50 × 7,636,888.31
  4. Step 4: Simplify right side
    12,228,538.55x = 128,821,594,104,766.33
  5. Step 5: Solve for x
    x = 128,821,594,104,766.33/12,228,538.55
  6. Step 6: Final answer
    x = 10,534,504.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.