Home / 15,148,843.61-20,905,427.57-8,622,473.00

Finding the Fourth Proportional to 15,148,843.61, 20,905,427.57 and 8,622,473.00

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Solution

The fourth proportional to 15,148,843.61, 20,905,427.57 and 8,622,473.00 is: 11,899,026.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,148,843.61 : 20,905,427.57 = 8,622,473.00 : x
  2. Step 2: Convert to fraction form
    15,148,843.61/20,905,427.57 = 8,622,473.00/x
  3. Step 3: Cross multiply
    15,148,843.61x = 20,905,427.57 × 8,622,473.00
  4. Step 4: Simplify right side
    15,148,843.61x = 180,256,484,628,141.09
  5. Step 5: Solve for x
    x = 180,256,484,628,141.09/15,148,843.61
  6. Step 6: Final answer
    x = 11,899,026.05

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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.