Home / 19,009,622.40-28,472,443.20-10,023,676.80

Finding the Fourth Proportional to 19,009,622.40, 28,472,443.20 and 10,023,676.80

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Solution

The fourth proportional to 19,009,622.40, 28,472,443.20 and 10,023,676.80 is: 15,013,373.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,009,622.40 : 28,472,443.20 = 10,023,676.80 : x
  2. Step 2: Convert to fraction form
    19,009,622.40/28,472,443.20 = 10,023,676.80/x
  3. Step 3: Cross multiply
    19,009,622.40x = 28,472,443.20 × 10,023,676.80
  4. Step 4: Simplify right side
    19,009,622.40x = 285,398,568,343,157.75
  5. Step 5: Solve for x
    x = 285,398,568,343,157.75/19,009,622.40
  6. Step 6: Final answer
    x = 15,013,373.88

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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.