Home / 7,078,639.68-10,601,425.80-6,507,045.36

Finding the Fourth Proportional to 7,078,639.68, 10,601,425.80 and 6,507,045.36

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Solution

The fourth proportional to 7,078,639.68, 10,601,425.80 and 6,507,045.36 is: 9,745,369.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,078,639.68 : 10,601,425.80 = 6,507,045.36 : x
  2. Step 2: Convert to fraction form
    7,078,639.68/10,601,425.80 = 6,507,045.36/x
  3. Step 3: Cross multiply
    7,078,639.68x = 10,601,425.80 × 6,507,045.36
  4. Step 4: Simplify right side
    7,078,639.68x = 68,983,958,561,274.30
  5. Step 5: Solve for x
    x = 68,983,958,561,274.30/7,078,639.68
  6. Step 6: Final answer
    x = 9,745,369.40

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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.