Home / 14,496,428.64-20,005,111.44-7,970,725.20

Finding the Fourth Proportional to 14,496,428.64, 20,005,111.44 and 7,970,725.20

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Solution

The fourth proportional to 14,496,428.64, 20,005,111.44 and 7,970,725.20 is: 10,999,622.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,496,428.64 : 20,005,111.44 = 7,970,725.20 : x
  2. Step 2: Convert to fraction form
    14,496,428.64/20,005,111.44 = 7,970,725.20/x
  3. Step 3: Cross multiply
    14,496,428.64x = 20,005,111.44 × 7,970,725.20
  4. Step 4: Simplify right side
    14,496,428.64x = 159,455,245,883,616.31
  5. Step 5: Solve for x
    x = 159,455,245,883,616.31/14,496,428.64
  6. Step 6: Final answer
    x = 10,999,622.72

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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.