Home / 25,800,155.68-38,698,833.84-7,847,860

Finding the Fourth Proportional to 25,800,155.68, 38,698,833.84 and 7,847,860

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Solution

The fourth proportional to 25,800,155.68, 38,698,833.84 and 7,847,860 is: 11,771,364.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,800,155.68 : 38,698,833.84 = 7,847,860 : x
  2. Step 2: Convert to fraction form
    25,800,155.68/38,698,833.84 = 7,847,860/x
  3. Step 3: Cross multiply
    25,800,155.68x = 38,698,833.84 × 7,847,860
  4. Step 4: Simplify right side
    25,800,155.68x = 303,703,030,139,582.44
  5. Step 5: Solve for x
    x = 303,703,030,139,582.44/25,800,155.68
  6. Step 6: Final answer
    x = 11,771,364.25

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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.