Home / 12,492,871.06-17,239,838.24-6,911,323.78

Finding the Fourth Proportional to 12,492,871.06, 17,239,838.24 and 6,911,323.78

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Solution

The fourth proportional to 12,492,871.06, 17,239,838.24 and 6,911,323.78 is: 9,537,447.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,492,871.06 : 17,239,838.24 = 6,911,323.78 : x
  2. Step 2: Convert to fraction form
    12,492,871.06/17,239,838.24 = 6,911,323.78/x
  3. Step 3: Cross multiply
    12,492,871.06x = 17,239,838.24 × 6,911,323.78
  4. Step 4: Simplify right side
    12,492,871.06x = 119,150,103,870,709.55
  5. Step 5: Solve for x
    x = 119,150,103,870,709.55/12,492,871.06
  6. Step 6: Final answer
    x = 9,537,447.66

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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.