Home / 12,388,341.40-18,582,512.10-9,837,424.60

Finding the Fourth Proportional to 12,388,341.40, 18,582,512.10 and 9,837,424.60

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Solution

The fourth proportional to 12,388,341.40, 18,582,512.10 and 9,837,424.60 is: 14,756,136.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,388,341.40 : 18,582,512.10 = 9,837,424.60 : x
  2. Step 2: Convert to fraction form
    12,388,341.40/18,582,512.10 = 9,837,424.60/x
  3. Step 3: Cross multiply
    12,388,341.40x = 18,582,512.10 × 9,837,424.60
  4. Step 4: Simplify right side
    12,388,341.40x = 182,804,061,662,337.66
  5. Step 5: Solve for x
    x = 182,804,061,662,337.66/12,388,341.40
  6. Step 6: Final answer
    x = 14,756,136.90

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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.