Home / 6,437,658.40-9,656,487.60-6,338,125.60

Finding the Fourth Proportional to 6,437,658.40, 9,656,487.60 and 6,338,125.60

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Solution

The fourth proportional to 6,437,658.40, 9,656,487.60 and 6,338,125.60 is: 9,507,188.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,437,658.40 : 9,656,487.60 = 6,338,125.60 : x
  2. Step 2: Convert to fraction form
    6,437,658.40/9,656,487.60 = 6,338,125.60/x
  3. Step 3: Cross multiply
    6,437,658.40x = 9,656,487.60 × 6,338,125.60
  4. Step 4: Simplify right side
    6,437,658.40x = 61,204,031,263,642.55
  5. Step 5: Solve for x
    x = 61,204,031,263,642.55/6,437,658.40
  6. Step 6: Final answer
    x = 9,507,188.40

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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.