Home / 25,666,576.40-38,499,864.60-8,621,584.40

Finding the Fourth Proportional to 25,666,576.40, 38,499,864.60 and 8,621,584.40

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Solution

The fourth proportional to 25,666,576.40, 38,499,864.60 and 8,621,584.40 is: 12,932,376.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,666,576.40 : 38,499,864.60 = 8,621,584.40 : x
  2. Step 2: Convert to fraction form
    25,666,576.40/38,499,864.60 = 8,621,584.40/x
  3. Step 3: Cross multiply
    25,666,576.40x = 38,499,864.60 × 8,621,584.40
  4. Step 4: Simplify right side
    25,666,576.40x = 331,929,832,037,472.25
  5. Step 5: Solve for x
    x = 331,929,832,037,472.25/25,666,576.40
  6. Step 6: Final answer
    x = 12,932,376.60

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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.