Home / 12,453,808.60-18,688,586.10-7,336,228.60

Finding the Fourth Proportional to 12,453,808.60, 18,688,586.10 and 7,336,228.60

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Solution

The fourth proportional to 12,453,808.60, 18,688,586.10 and 7,336,228.60 is: 11,008,980.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,453,808.60 : 18,688,586.10 = 7,336,228.60 : x
  2. Step 2: Convert to fraction form
    12,453,808.60/18,688,586.10 = 7,336,228.60/x
  3. Step 3: Cross multiply
    12,453,808.60x = 18,688,586.10 × 7,336,228.60
  4. Step 4: Simplify right side
    12,453,808.60x = 137,103,739,840,382.47
  5. Step 5: Solve for x
    x = 137,103,739,840,382.47/12,453,808.60
  6. Step 6: Final answer
    x = 11,008,980.81

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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.