Home / 12,463,739.40-18,702,981.90-4,484,526.60

Finding the Fourth Proportional to 12,463,739.40, 18,702,981.90 and 4,484,526.60

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Solution

The fourth proportional to 12,463,739.40, 18,702,981.90 and 4,484,526.60 is: 6,729,442.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,463,739.40 : 18,702,981.90 = 4,484,526.60 : x
  2. Step 2: Convert to fraction form
    12,463,739.40/18,702,981.90 = 4,484,526.60/x
  3. Step 3: Cross multiply
    12,463,739.40x = 18,702,981.90 × 4,484,526.60
  4. Step 4: Simplify right side
    12,463,739.40x = 83,874,019,829,868.53
  5. Step 5: Solve for x
    x = 83,874,019,829,868.53/12,463,739.40
  6. Step 6: Final answer
    x = 6,729,442.68

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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.