Home / 9,921,902.40-14,867,107.20-6,552,172.80

Finding the Fourth Proportional to 9,921,902.40, 14,867,107.20 and 6,552,172.80

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Solution

The fourth proportional to 9,921,902.40, 14,867,107.20 and 6,552,172.80 is: 9,817,860.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,921,902.40 : 14,867,107.20 = 6,552,172.80 : x
  2. Step 2: Convert to fraction form
    9,921,902.40/14,867,107.20 = 6,552,172.80/x
  3. Step 3: Cross multiply
    9,921,902.40x = 14,867,107.20 × 6,552,172.80
  4. Step 4: Simplify right side
    9,921,902.40x = 97,411,855,410,524.16
  5. Step 5: Solve for x
    x = 97,411,855,410,524.16/9,921,902.40
  6. Step 6: Final answer
    x = 9,817,860.68

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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.