Home / 12,252,030.40-18,378,045.60-11,664,164.80

Finding the Fourth Proportional to 12,252,030.40, 18,378,045.60 and 11,664,164.80

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Solution

The fourth proportional to 12,252,030.40, 18,378,045.60 and 11,664,164.80 is: 17,496,247.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,252,030.40 : 18,378,045.60 = 11,664,164.80 : x
  2. Step 2: Convert to fraction form
    12,252,030.40/18,378,045.60 = 11,664,164.80/x
  3. Step 3: Cross multiply
    12,252,030.40x = 18,378,045.60 × 11,664,164.80
  4. Step 4: Simplify right side
    12,252,030.40x = 214,364,552,580,314.91
  5. Step 5: Solve for x
    x = 214,364,552,580,314.91/12,252,030.40
  6. Step 6: Final answer
    x = 17,496,247.20

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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.