Home / 10,207,361.20-15,311,041.80-5,412,582.40

Finding the Fourth Proportional to 10,207,361.20, 15,311,041.80 and 5,412,582.40

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Solution

The fourth proportional to 10,207,361.20, 15,311,041.80 and 5,412,582.40 is: 8,118,873.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,207,361.20 : 15,311,041.80 = 5,412,582.40 : x
  2. Step 2: Convert to fraction form
    10,207,361.20/15,311,041.80 = 5,412,582.40/x
  3. Step 3: Cross multiply
    10,207,361.20x = 15,311,041.80 × 5,412,582.40
  4. Step 4: Simplify right side
    10,207,361.20x = 82,872,275,372,344.33
  5. Step 5: Solve for x
    x = 82,872,275,372,344.33/10,207,361.20
  6. Step 6: Final answer
    x = 8,118,873.60

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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.