Home / 12,114,316.40-18,146,980.20-7,551,359.60

Finding the Fourth Proportional to 12,114,316.40, 18,146,980.20 and 7,551,359.60

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Solution

The fourth proportional to 12,114,316.40, 18,146,980.20 and 7,551,359.60 is: 11,311,771.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,114,316.40 : 18,146,980.20 = 7,551,359.60 : x
  2. Step 2: Convert to fraction form
    12,114,316.40/18,146,980.20 = 7,551,359.60/x
  3. Step 3: Cross multiply
    12,114,316.40x = 18,146,980.20 × 7,551,359.60
  4. Step 4: Simplify right side
    12,114,316.40x = 137,034,373,144,279.91
  5. Step 5: Solve for x
    x = 137,034,373,144,279.91/12,114,316.40
  6. Step 6: Final answer
    x = 11,311,771.02

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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.