Home / 15,006,582.75-20,708,122.28-8,391,716.67

Finding the Fourth Proportional to 15,006,582.75, 20,708,122.28 and 8,391,716.67

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Solution

The fourth proportional to 15,006,582.75, 20,708,122.28 and 8,391,716.67 is: 11,580,031.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,006,582.75 : 20,708,122.28 = 8,391,716.67 : x
  2. Step 2: Convert to fraction form
    15,006,582.75/20,708,122.28 = 8,391,716.67/x
  3. Step 3: Cross multiply
    15,006,582.75x = 20,708,122.28 × 8,391,716.67
  4. Step 4: Simplify right side
    15,006,582.75x = 173,776,694,899,515.81
  5. Step 5: Solve for x
    x = 173,776,694,899,515.81/15,006,582.75
  6. Step 6: Final answer
    x = 11,580,031.10

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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.