Home / 12,949,204.84-17,870,325.63-7,069,152.56

Finding the Fourth Proportional to 12,949,204.84, 17,870,325.63 and 7,069,152.56

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Solution

The fourth proportional to 12,949,204.84, 17,870,325.63 and 7,069,152.56 is: 9,755,661.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,949,204.84 : 17,870,325.63 = 7,069,152.56 : x
  2. Step 2: Convert to fraction form
    12,949,204.84/17,870,325.63 = 7,069,152.56/x
  3. Step 3: Cross multiply
    12,949,204.84x = 17,870,325.63 × 7,069,152.56
  4. Step 4: Simplify right side
    12,949,204.84x = 126,328,058,175,348.09
  5. Step 5: Solve for x
    x = 126,328,058,175,348.09/12,949,204.84
  6. Step 6: Final answer
    x = 9,755,661.43

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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.