Home / 13,555,196.70-20,348,541.45-8,169,927.90

Finding the Fourth Proportional to 13,555,196.70, 20,348,541.45 and 8,169,927.90

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Solution

The fourth proportional to 13,555,196.70, 20,348,541.45 and 8,169,927.90 is: 12,264,382.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,555,196.70 : 20,348,541.45 = 8,169,927.90 : x
  2. Step 2: Convert to fraction form
    13,555,196.70/20,348,541.45 = 8,169,927.90/x
  3. Step 3: Cross multiply
    13,555,196.70x = 20,348,541.45 × 8,169,927.90
  4. Step 4: Simplify right side
    13,555,196.70x = 166,246,116,516,661.47
  5. Step 5: Solve for x
    x = 166,246,116,516,661.47/13,555,196.70
  6. Step 6: Final answer
    x = 12,264,382.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.