Home / 10,351,968.56-15,548,130.63-8,434,296.93

Finding the Fourth Proportional to 10,351,968.56, 15,548,130.63 and 8,434,296.93

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Solution

The fourth proportional to 10,351,968.56, 15,548,130.63 and 8,434,296.93 is: 12,667,885.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,351,968.56 : 15,548,130.63 = 8,434,296.93 : x
  2. Step 2: Convert to fraction form
    10,351,968.56/15,548,130.63 = 8,434,296.93/x
  3. Step 3: Cross multiply
    10,351,968.56x = 15,548,130.63 × 8,434,296.93
  4. Step 4: Simplify right side
    10,351,968.56x = 131,137,550,454,424.36
  5. Step 5: Solve for x
    x = 131,137,550,454,424.36/10,351,968.56
  6. Step 6: Final answer
    x = 12,667,885.30

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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.