Home / 20,040,078.60-30,036,498.30-14,985,484.20

Finding the Fourth Proportional to 20,040,078.60, 30,036,498.30 and 14,985,484.20

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Solution

The fourth proportional to 20,040,078.60, 30,036,498.30 and 14,985,484.20 is: 22,460,564.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,040,078.60 : 30,036,498.30 = 14,985,484.20 : x
  2. Step 2: Convert to fraction form
    20,040,078.60/30,036,498.30 = 14,985,484.20/x
  3. Step 3: Cross multiply
    20,040,078.60x = 30,036,498.30 × 14,985,484.20
  4. Step 4: Simplify right side
    20,040,078.60x = 450,111,470,697,976.88
  5. Step 5: Solve for x
    x = 450,111,470,697,976.88/20,040,078.60
  6. Step 6: Final answer
    x = 22,460,564.14

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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.