Home / 14,505,874.64-20,018,480.52-7,979,671.76

Finding the Fourth Proportional to 14,505,874.64, 20,018,480.52 and 7,979,671.76

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Solution

The fourth proportional to 14,505,874.64, 20,018,480.52 and 7,979,671.76 is: 11,012,152.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,505,874.64 : 20,018,480.52 = 7,979,671.76 : x
  2. Step 2: Convert to fraction form
    14,505,874.64/20,018,480.52 = 7,979,671.76/x
  3. Step 3: Cross multiply
    14,505,874.64x = 20,018,480.52 × 7,979,671.76
  4. Step 4: Simplify right side
    14,505,874.64x = 159,740,903,683,554.09
  5. Step 5: Solve for x
    x = 159,740,903,683,554.09/14,505,874.64
  6. Step 6: Final answer
    x = 11,012,152.50

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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.