Home / 12,787,225.35-19,178,527.31-3,687,085.55

Finding the Fourth Proportional to 12,787,225.35, 19,178,527.31 and 3,687,085.55

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Solution

The fourth proportional to 12,787,225.35, 19,178,527.31 and 3,687,085.55 is: 5,529,962.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,787,225.35 : 19,178,527.31 = 3,687,085.55 : x
  2. Step 2: Convert to fraction form
    12,787,225.35/19,178,527.31 = 3,687,085.55/x
  3. Step 3: Cross multiply
    12,787,225.35x = 19,178,527.31 × 3,687,085.55
  4. Step 4: Simplify right side
    12,787,225.35x = 70,712,870,800,653.30
  5. Step 5: Solve for x
    x = 70,712,870,800,653.30/12,787,225.35
  6. Step 6: Final answer
    x = 5,529,962.04

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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.