Home / 11,988,045.60-17,982,068.40-6,865,216.80

Finding the Fourth Proportional to 11,988,045.60, 17,982,068.40 and 6,865,216.80

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Solution

The fourth proportional to 11,988,045.60, 17,982,068.40 and 6,865,216.80 is: 10,297,825.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,988,045.60 : 17,982,068.40 = 6,865,216.80 : x
  2. Step 2: Convert to fraction form
    11,988,045.60/17,982,068.40 = 6,865,216.80/x
  3. Step 3: Cross multiply
    11,988,045.60x = 17,982,068.40 × 6,865,216.80
  4. Step 4: Simplify right side
    11,988,045.60x = 123,450,798,078,429.11
  5. Step 5: Solve for x
    x = 123,450,798,078,429.11/11,988,045.60
  6. Step 6: Final answer
    x = 10,297,825.20

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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.