Home / 7,148,518.92-9,865,056.06-3,885,332.68

Finding the Fourth Proportional to 7,148,518.92, 9,865,056.06 and 3,885,332.68

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Solution

The fourth proportional to 7,148,518.92, 9,865,056.06 and 3,885,332.68 is: 5,361,813.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,148,518.92 : 9,865,056.06 = 3,885,332.68 : x
  2. Step 2: Convert to fraction form
    7,148,518.92/9,865,056.06 = 3,885,332.68/x
  3. Step 3: Cross multiply
    7,148,518.92x = 9,865,056.06 × 3,885,332.68
  4. Step 4: Simplify right side
    7,148,518.92x = 38,329,024,699,950.05
  5. Step 5: Solve for x
    x = 38,329,024,699,950.05/7,148,518.92
  6. Step 6: Final answer
    x = 5,361,813.42

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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.