Home / 12,986,523.60-19,479,785.40-5,894,811.60

Finding the Fourth Proportional to 12,986,523.60, 19,479,785.40 and 5,894,811.60

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Solution

The fourth proportional to 12,986,523.60, 19,479,785.40 and 5,894,811.60 is: 8,842,217.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,986,523.60 : 19,479,785.40 = 5,894,811.60 : x
  2. Step 2: Convert to fraction form
    12,986,523.60/19,479,785.40 = 5,894,811.60/x
  3. Step 3: Cross multiply
    12,986,523.60x = 19,479,785.40 × 5,894,811.60
  4. Step 4: Simplify right side
    12,986,523.60x = 114,829,664,941,430.62
  5. Step 5: Solve for x
    x = 114,829,664,941,430.62/12,986,523.60
  6. Step 6: Final answer
    x = 8,842,217.40

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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.