Home / 12,162,020.04-16,801,817.55-7,985,613.45

Finding the Fourth Proportional to 12,162,020.04, 16,801,817.55 and 7,985,613.45

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Solution

The fourth proportional to 12,162,020.04, 16,801,817.55 and 7,985,613.45 is: 11,032,116.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,162,020.04 : 16,801,817.55 = 7,985,613.45 : x
  2. Step 2: Convert to fraction form
    12,162,020.04/16,801,817.55 = 7,985,613.45/x
  3. Step 3: Cross multiply
    12,162,020.04x = 16,801,817.55 × 7,985,613.45
  4. Step 4: Simplify right side
    12,162,020.04x = 134,172,820,211,726.06
  5. Step 5: Solve for x
    x = 134,172,820,211,726.06/12,162,020.04
  6. Step 6: Final answer
    x = 11,032,116.36

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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.