Home / 9,217,329.78-12,718,950.48-5,087,284.86

Finding the Fourth Proportional to 9,217,329.78, 12,718,950.48 and 5,087,284.86

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Solution

The fourth proportional to 9,217,329.78, 12,718,950.48 and 5,087,284.86 is: 7,019,920.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,217,329.78 : 12,718,950.48 = 5,087,284.86 : x
  2. Step 2: Convert to fraction form
    9,217,329.78/12,718,950.48 = 5,087,284.86/x
  3. Step 3: Cross multiply
    9,217,329.78x = 12,718,950.48 × 5,087,284.86
  4. Step 4: Simplify right side
    9,217,329.78x = 64,704,924,211,993.74
  5. Step 5: Solve for x
    x = 64,704,924,211,993.74/9,217,329.78
  6. Step 6: Final answer
    x = 7,019,920.71

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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.