Home / 12,154,225.60-18,231,338.40-4,961,036.80

Finding the Fourth Proportional to 12,154,225.60, 18,231,338.40 and 4,961,036.80

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Solution

The fourth proportional to 12,154,225.60, 18,231,338.40 and 4,961,036.80 is: 7,441,555.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,154,225.60 : 18,231,338.40 = 4,961,036.80 : x
  2. Step 2: Convert to fraction form
    12,154,225.60/18,231,338.40 = 4,961,036.80/x
  3. Step 3: Cross multiply
    12,154,225.60x = 18,231,338.40 × 4,961,036.80
  4. Step 4: Simplify right side
    12,154,225.60x = 90,446,340,715,653.11
  5. Step 5: Solve for x
    x = 90,446,340,715,653.11/12,154,225.60
  6. Step 6: Final answer
    x = 7,441,555.20

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1.5x scale

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.