Home / 12,577,963.68-17,355,839.76-7,070,559.84

Finding the Fourth Proportional to 12,577,963.68, 17,355,839.76 and 7,070,559.84

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Solution

The fourth proportional to 12,577,963.68, 17,355,839.76 and 7,070,559.84 is: 9,756,388.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,577,963.68 : 17,355,839.76 = 7,070,559.84 : x
  2. Step 2: Convert to fraction form
    12,577,963.68/17,355,839.76 = 7,070,559.84/x
  3. Step 3: Cross multiply
    12,577,963.68x = 17,355,839.76 × 7,070,559.84
  4. Step 4: Simplify right side
    12,577,963.68x = 122,715,503,596,531.25
  5. Step 5: Solve for x
    x = 122,715,503,596,531.25/12,577,963.68
  6. Step 6: Final answer
    x = 9,756,388.77

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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.