Home / 12,426,082.60-18,628,043.10-4,851,286.60

Finding the Fourth Proportional to 12,426,082.60, 18,628,043.10 and 4,851,286.60

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Solution

The fourth proportional to 12,426,082.60, 18,628,043.10 and 4,851,286.60 is: 7,272,603.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,426,082.60 : 18,628,043.10 = 4,851,286.60 : x
  2. Step 2: Convert to fraction form
    12,426,082.60/18,628,043.10 = 4,851,286.60/x
  3. Step 3: Cross multiply
    12,426,082.60x = 18,628,043.10 × 4,851,286.60
  4. Step 4: Simplify right side
    12,426,082.60x = 90,369,975,875,252.45
  5. Step 5: Solve for x
    x = 90,369,975,875,252.45/12,426,082.60
  6. Step 6: Final answer
    x = 7,272,603.83

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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.