Home / 14,672,017.45-20,246,372.71-8,145,140.32

Finding the Fourth Proportional to 14,672,017.45, 20,246,372.71 and 8,145,140.32

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Solution

The fourth proportional to 14,672,017.45, 20,246,372.71 and 8,145,140.32 is: 11,239,732.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,672,017.45 : 20,246,372.71 = 8,145,140.32 : x
  2. Step 2: Convert to fraction form
    14,672,017.45/20,246,372.71 = 8,145,140.32/x
  3. Step 3: Cross multiply
    14,672,017.45x = 20,246,372.71 × 8,145,140.32
  4. Step 4: Simplify right side
    14,672,017.45x = 164,909,546,693,968.69
  5. Step 5: Solve for x
    x = 164,909,546,693,968.69/14,672,017.45
  6. Step 6: Final answer
    x = 11,239,732.18

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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.