Home / 21,063,452.40-31,596,928.20-6,686,114.40

Finding the Fourth Proportional to 21,063,452.40, 31,596,928.20 and 6,686,114.40

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Solution

The fourth proportional to 21,063,452.40, 31,596,928.20 and 6,686,114.40 is: 10,029,726.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,063,452.40 : 31,596,928.20 = 6,686,114.40 : x
  2. Step 2: Convert to fraction form
    21,063,452.40/31,596,928.20 = 6,686,114.40/x
  3. Step 3: Cross multiply
    21,063,452.40x = 31,596,928.20 × 6,686,114.40
  4. Step 4: Simplify right side
    21,063,452.40x = 211,260,676,633,786.09
  5. Step 5: Solve for x
    x = 211,260,676,633,786.09/21,063,452.40
  6. Step 6: Final answer
    x = 10,029,726.97

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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.