Home / 12,842,409.84-17,722,431.90-7,041,095.88

Finding the Fourth Proportional to 12,842,409.84, 17,722,431.90 and 7,041,095.88

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Solution

The fourth proportional to 12,842,409.84, 17,722,431.90 and 7,041,095.88 is: 9,716,660.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,842,409.84 : 17,722,431.90 = 7,041,095.88 : x
  2. Step 2: Convert to fraction form
    12,842,409.84/17,722,431.90 = 7,041,095.88/x
  3. Step 3: Cross multiply
    12,842,409.84x = 17,722,431.90 × 7,041,095.88
  4. Step 4: Simplify right side
    12,842,409.84x = 124,785,342,234,670.56
  5. Step 5: Solve for x
    x = 124,785,342,234,670.56/12,842,409.84
  6. Step 6: Final answer
    x = 9,716,660.95

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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.