Home / 12,266,587.20-18,399,880.80-12,030,391.20

Finding the Fourth Proportional to 12,266,587.20, 18,399,880.80 and 12,030,391.20

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Solution

The fourth proportional to 12,266,587.20, 18,399,880.80 and 12,030,391.20 is: 18,045,586.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,266,587.20 : 18,399,880.80 = 12,030,391.20 : x
  2. Step 2: Convert to fraction form
    12,266,587.20/18,399,880.80 = 12,030,391.20/x
  3. Step 3: Cross multiply
    12,266,587.20x = 18,399,880.80 × 12,030,391.20
  4. Step 4: Simplify right side
    12,266,587.20x = 221,357,764,057,368.97
  5. Step 5: Solve for x
    x = 221,357,764,057,368.97/12,266,587.20
  6. Step 6: Final answer
    x = 18,045,586.80

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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.