Home / 7,139,614.91-9,860,780.73-4,812,493.82

Finding the Fourth Proportional to 7,139,614.91, 9,860,780.73 and 4,812,493.82

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Solution

The fourth proportional to 7,139,614.91, 9,860,780.73 and 4,812,493.82 is: 6,646,709.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,139,614.91 : 9,860,780.73 = 4,812,493.82 : x
  2. Step 2: Convert to fraction form
    7,139,614.91/9,860,780.73 = 4,812,493.82/x
  3. Step 3: Cross multiply
    7,139,614.91x = 9,860,780.73 × 4,812,493.82
  4. Step 4: Simplify right side
    7,139,614.91x = 47,454,946,274,196.19
  5. Step 5: Solve for x
    x = 47,454,946,274,196.19/7,139,614.91
  6. Step 6: Final answer
    x = 6,646,709.51

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1.5x scale

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.