Home / 12,507,013.98-17,270,450.96-7,868,530.49

Finding the Fourth Proportional to 12,507,013.98, 17,270,450.96 and 7,868,530.49

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Solution

The fourth proportional to 12,507,013.98, 17,270,450.96 and 7,868,530.49 is: 10,865,348.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,507,013.98 : 17,270,450.96 = 7,868,530.49 : x
  2. Step 2: Convert to fraction form
    12,507,013.98/17,270,450.96 = 7,868,530.49/x
  3. Step 3: Cross multiply
    12,507,013.98x = 17,270,450.96 × 7,868,530.49
  4. Step 4: Simplify right side
    12,507,013.98x = 135,893,069,829,114.86
  5. Step 5: Solve for x
    x = 135,893,069,829,114.86/12,507,013.98
  6. Step 6: Final answer
    x = 10,865,348.84

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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.