Home / 12,318,094.80-18,477,288-7,461,460.35

Finding the Fourth Proportional to 12,318,094.80, 18,477,288 and 7,461,460.35

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Solution

The fourth proportional to 12,318,094.80, 18,477,288 and 7,461,460.35 is: 11,192,278.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,318,094.80 : 18,477,288 = 7,461,460.35 : x
  2. Step 2: Convert to fraction form
    12,318,094.80/18,477,288 = 7,461,460.35/x
  3. Step 3: Cross multiply
    12,318,094.80x = 18,477,288 × 7,461,460.35
  4. Step 4: Simplify right side
    12,318,094.80x = 137,867,551,787,530.80
  5. Step 5: Solve for x
    x = 137,867,551,787,530.80/12,318,094.80
  6. Step 6: Final answer
    x = 11,192,278.84

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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.