Home / 12,318,097.80-18,477,292.50-7,461,463.35

Finding the Fourth Proportional to 12,318,097.80, 18,477,292.50 and 7,461,463.35

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Solution

The fourth proportional to 12,318,097.80, 18,477,292.50 and 7,461,463.35 is: 11,192,283.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,318,097.80 : 18,477,292.50 = 7,461,463.35 : x
  2. Step 2: Convert to fraction form
    12,318,097.80/18,477,292.50 = 7,461,463.35/x
  3. Step 3: Cross multiply
    12,318,097.80x = 18,477,292.50 × 7,461,463.35
  4. Step 4: Simplify right side
    12,318,097.80x = 137,867,640,795,979.88
  5. Step 5: Solve for x
    x = 137,867,640,795,979.88/12,318,097.80
  6. Step 6: Final answer
    x = 11,192,283.34

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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.