Home / 6,656,246.40-9,984,369.60-6,394,972.80

Finding the Fourth Proportional to 6,656,246.40, 9,984,369.60 and 6,394,972.80

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Solution

The fourth proportional to 6,656,246.40, 9,984,369.60 and 6,394,972.80 is: 9,592,459.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,656,246.40 : 9,984,369.60 = 6,394,972.80 : x
  2. Step 2: Convert to fraction form
    6,656,246.40/9,984,369.60 = 6,394,972.80/x
  3. Step 3: Cross multiply
    6,656,246.40x = 9,984,369.60 × 6,394,972.80
  4. Step 4: Simplify right side
    6,656,246.40x = 63,849,772,017,146.88
  5. Step 5: Solve for x
    x = 63,849,772,017,146.88/6,656,246.40
  6. Step 6: Final answer
    x = 9,592,459.20

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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.