Home / 12,180,338.17-16,804,728.63-6,949,588.61

Finding the Fourth Proportional to 12,180,338.17, 16,804,728.63 and 6,949,588.61

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Solution

The fourth proportional to 12,180,338.17, 16,804,728.63 and 6,949,588.61 is: 9,588,071.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,180,338.17 : 16,804,728.63 = 6,949,588.61 : x
  2. Step 2: Convert to fraction form
    12,180,338.17/16,804,728.63 = 6,949,588.61/x
  3. Step 3: Cross multiply
    12,180,338.17x = 16,804,728.63 × 6,949,588.61
  4. Step 4: Simplify right side
    12,180,338.17x = 116,785,950,671,455.53
  5. Step 5: Solve for x
    x = 116,785,950,671,455.53/12,180,338.17
  6. Step 6: Final answer
    x = 9,588,071.29

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1.5x scale

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.