Home / 12,272,866.57-16,932,802.13-7,115,198.59

Finding the Fourth Proportional to 12,272,866.57, 16,932,802.13 and 7,115,198.59

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Solution

The fourth proportional to 12,272,866.57, 16,932,802.13 and 7,115,198.59 is: 9,816,797.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,272,866.57 : 16,932,802.13 = 7,115,198.59 : x
  2. Step 2: Convert to fraction form
    12,272,866.57/16,932,802.13 = 7,115,198.59/x
  3. Step 3: Cross multiply
    12,272,866.57x = 16,932,802.13 × 7,115,198.59
  4. Step 4: Simplify right side
    12,272,866.57x = 120,480,249,788,899
  5. Step 5: Solve for x
    x = 120,480,249,788,899/12,272,866.57
  6. Step 6: Final answer
    x = 9,816,797.82

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1.5x scale

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.