Home / 12,214,976.07-16,863,211.29-9,417,990.49

Finding the Fourth Proportional to 12,214,976.07, 16,863,211.29 and 9,417,990.49

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Solution

The fourth proportional to 12,214,976.07, 16,863,211.29 and 9,417,990.49 is: 13,001,872.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,214,976.07 : 16,863,211.29 = 9,417,990.49 : x
  2. Step 2: Convert to fraction form
    12,214,976.07/16,863,211.29 = 9,417,990.49/x
  3. Step 3: Cross multiply
    12,214,976.07x = 16,863,211.29 × 9,417,990.49
  4. Step 4: Simplify right side
    12,214,976.07x = 158,817,563,553,240.06
  5. Step 5: Solve for x
    x = 158,817,563,553,240.06/12,214,976.07
  6. Step 6: Final answer
    x = 13,001,872.67

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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.