Home / 12,395,927.60-18,593,891.40-10,411,881.20

Finding the Fourth Proportional to 12,395,927.60, 18,593,891.40 and 10,411,881.20

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Solution

The fourth proportional to 12,395,927.60, 18,593,891.40 and 10,411,881.20 is: 15,617,821.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,395,927.60 : 18,593,891.40 = 10,411,881.20 : x
  2. Step 2: Convert to fraction form
    12,395,927.60/18,593,891.40 = 10,411,881.20/x
  3. Step 3: Cross multiply
    12,395,927.60x = 18,593,891.40 × 10,411,881.20
  4. Step 4: Simplify right side
    12,395,927.60x = 193,597,388,302,501.66
  5. Step 5: Solve for x
    x = 193,597,388,302,501.66/12,395,927.60
  6. Step 6: Final answer
    x = 15,617,821.80

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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.