Home / 12,304,529.80-18,455,045.10-4,217,878.60

Finding the Fourth Proportional to 12,304,529.80, 18,455,045.10 and 4,217,878.60

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Solution

The fourth proportional to 12,304,529.80, 18,455,045.10 and 4,217,878.60 is: 6,326,218.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,304,529.80 : 18,455,045.10 = 4,217,878.60 : x
  2. Step 2: Convert to fraction form
    12,304,529.80/18,455,045.10 = 4,217,878.60/x
  3. Step 3: Cross multiply
    12,304,529.80x = 18,455,045.10 × 4,217,878.60
  4. Step 4: Simplify right side
    12,304,529.80x = 77,841,139,789,324.86
  5. Step 5: Solve for x
    x = 77,841,139,789,324.86/12,304,529.80
  6. Step 6: Final answer
    x = 6,326,218.15

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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.