Home / 7,721,684.55-11,582,474.85-1,964,368.76

Finding the Fourth Proportional to 7,721,684.55, 11,582,474.85 and 1,964,368.76

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Solution

The fourth proportional to 7,721,684.55, 11,582,474.85 and 1,964,368.76 is: 2,946,539.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,721,684.55 : 11,582,474.85 = 1,964,368.76 : x
  2. Step 2: Convert to fraction form
    7,721,684.55/11,582,474.85 = 1,964,368.76/x
  3. Step 3: Cross multiply
    7,721,684.55x = 11,582,474.85 × 1,964,368.76
  4. Step 4: Simplify right side
    7,721,684.55x = 22,752,251,700,913.31
  5. Step 5: Solve for x
    x = 22,752,251,700,913.31/7,721,684.55
  6. Step 6: Final answer
    x = 2,946,539.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.