Home / 13,479,384.40-20,219,076.60-9,653,009.20

Finding the Fourth Proportional to 13,479,384.40, 20,219,076.60 and 9,653,009.20

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Solution

The fourth proportional to 13,479,384.40, 20,219,076.60 and 9,653,009.20 is: 14,479,513.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,479,384.40 : 20,219,076.60 = 9,653,009.20 : x
  2. Step 2: Convert to fraction form
    13,479,384.40/20,219,076.60 = 9,653,009.20/x
  3. Step 3: Cross multiply
    13,479,384.40x = 20,219,076.60 × 9,653,009.20
  4. Step 4: Simplify right side
    13,479,384.40x = 195,174,932,435,304.72
  5. Step 5: Solve for x
    x = 195,174,932,435,304.72/13,479,384.40
  6. Step 6: Final answer
    x = 14,479,513.80

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1.5x scale

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.