Home / 7,209,813.86-9,949,528.65-3,946,629.50

Finding the Fourth Proportional to 7,209,813.86, 9,949,528.65 and 3,946,629.50

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Solution

The fourth proportional to 7,209,813.86, 9,949,528.65 and 3,946,629.50 is: 5,446,340.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,209,813.86 : 9,949,528.65 = 3,946,629.50 : x
  2. Step 2: Convert to fraction form
    7,209,813.86/9,949,528.65 = 3,946,629.50/x
  3. Step 3: Cross multiply
    7,209,813.86x = 9,949,528.65 × 3,946,629.50
  4. Step 4: Simplify right side
    7,209,813.86x = 39,267,103,281,185.18
  5. Step 5: Solve for x
    x = 39,267,103,281,185.18/7,209,813.86
  6. Step 6: Final answer
    x = 5,446,340.79

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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.