Home / 12,443,453.60-18,666,055.20-7,054,685.60

Finding the Fourth Proportional to 12,443,453.60, 18,666,055.20 and 7,054,685.60

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Solution

The fourth proportional to 12,443,453.60, 18,666,055.20 and 7,054,685.60 is: 10,582,524.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,443,453.60 : 18,666,055.20 = 7,054,685.60 : x
  2. Step 2: Convert to fraction form
    12,443,453.60/18,666,055.20 = 7,054,685.60/x
  3. Step 3: Cross multiply
    12,443,453.60x = 18,666,055.20 × 7,054,685.60
  4. Step 4: Simplify right side
    12,443,453.60x = 131,683,150,828,245.11
  5. Step 5: Solve for x
    x = 131,683,150,828,245.11/12,443,453.60
  6. Step 6: Final answer
    x = 10,582,524.36

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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.