Home / 12,108,718.35-16,696,456.02-9,896,716.71

Finding the Fourth Proportional to 12,108,718.35, 16,696,456.02 and 9,896,716.71

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Solution

The fourth proportional to 12,108,718.35, 16,696,456.02 and 9,896,716.71 is: 13,646,373.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,108,718.35 : 16,696,456.02 = 9,896,716.71 : x
  2. Step 2: Convert to fraction form
    12,108,718.35/16,696,456.02 = 9,896,716.71/x
  3. Step 3: Cross multiply
    12,108,718.35x = 16,696,456.02 × 9,896,716.71
  4. Step 4: Simplify right side
    12,108,718.35x = 165,240,095,290,914.09
  5. Step 5: Solve for x
    x = 165,240,095,290,914.09/12,108,718.35
  6. Step 6: Final answer
    x = 13,646,373.67

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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.