Home / 12,296,929.40-18,415,869.60-6,604,605.80

Finding the Fourth Proportional to 12,296,929.40, 18,415,869.60 and 6,604,605.80

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Solution

The fourth proportional to 12,296,929.40, 18,415,869.60 and 6,604,605.80 is: 9,891,051.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,296,929.40 : 18,415,869.60 = 6,604,605.80 : x
  2. Step 2: Convert to fraction form
    12,296,929.40/18,415,869.60 = 6,604,605.80/x
  3. Step 3: Cross multiply
    12,296,929.40x = 18,415,869.60 × 6,604,605.80
  4. Step 4: Simplify right side
    12,296,929.40x = 121,629,559,172,203.69
  5. Step 5: Solve for x
    x = 121,629,559,172,203.69/12,296,929.40
  6. Step 6: Final answer
    x = 9,891,051.27

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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.