Home / 13,361,546.30-18,439,148.26-7,249,974.80

Finding the Fourth Proportional to 13,361,546.30, 18,439,148.26 and 7,249,974.80

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Solution

The fourth proportional to 13,361,546.30, 18,439,148.26 and 7,249,974.80 is: 10,005,081.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,361,546.30 : 18,439,148.26 = 7,249,974.80 : x
  2. Step 2: Convert to fraction form
    13,361,546.30/18,439,148.26 = 7,249,974.80/x
  3. Step 3: Cross multiply
    13,361,546.30x = 18,439,148.26 × 7,249,974.80
  4. Step 4: Simplify right side
    13,361,546.30x = 133,683,360,218,463.86
  5. Step 5: Solve for x
    x = 133,683,360,218,463.86/13,361,546.30
  6. Step 6: Final answer
    x = 10,005,081.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.