Home / 10,389,652.80-15,584,478.66-2,816,421.72

Finding the Fourth Proportional to 10,389,652.80, 15,584,478.66 and 2,816,421.72

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Solution

The fourth proportional to 10,389,652.80, 15,584,478.66 and 2,816,421.72 is: 4,224,632.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,389,652.80 : 15,584,478.66 = 2,816,421.72 : x
  2. Step 2: Convert to fraction form
    10,389,652.80/15,584,478.66 = 2,816,421.72/x
  3. Step 3: Cross multiply
    10,389,652.80x = 15,584,478.66 × 2,816,421.72
  4. Step 4: Simplify right side
    10,389,652.80x = 43,892,464,192,900.50
  5. Step 5: Solve for x
    x = 43,892,464,192,900.50/10,389,652.80
  6. Step 6: Final answer
    x = 4,224,632.43

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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.