Home / 9,715,124.19-13,406,936.20-5,304,880.45

Finding the Fourth Proportional to 9,715,124.19, 13,406,936.20 and 5,304,880.45

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Solution

The fourth proportional to 9,715,124.19, 13,406,936.20 and 5,304,880.45 is: 7,320,770.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,715,124.19 : 13,406,936.20 = 5,304,880.45 : x
  2. Step 2: Convert to fraction form
    9,715,124.19/13,406,936.20 = 5,304,880.45/x
  3. Step 3: Cross multiply
    9,715,124.19x = 13,406,936.20 × 5,304,880.45
  4. Step 4: Simplify right side
    9,715,124.19x = 71,122,193,741,777.28
  5. Step 5: Solve for x
    x = 71,122,193,741,777.28/9,715,124.19
  6. Step 6: Final answer
    x = 7,320,770.41

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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.