Home / 7,971,339.60-11,958,175.80-2,579,072.40

Finding the Fourth Proportional to 7,971,339.60, 11,958,175.80 and 2,579,072.40

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Solution

The fourth proportional to 7,971,339.60, 11,958,175.80 and 2,579,072.40 is: 3,868,985.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,971,339.60 : 11,958,175.80 = 2,579,072.40 : x
  2. Step 2: Convert to fraction form
    7,971,339.60/11,958,175.80 = 2,579,072.40/x
  3. Step 3: Cross multiply
    7,971,339.60x = 11,958,175.80 × 2,579,072.40
  4. Step 4: Simplify right side
    7,971,339.60x = 30,841,001,160,127.92
  5. Step 5: Solve for x
    x = 30,841,001,160,127.92/7,971,339.60
  6. Step 6: Final answer
    x = 3,868,985.98

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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.