Home / 30,808,267.60-42,518,262.24-17,057,231.92

Finding the Fourth Proportional to 30,808,267.60, 42,518,262.24 and 17,057,231.92

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Solution

The fourth proportional to 30,808,267.60, 42,518,262.24 and 17,057,231.92 is: 23,540,559.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,808,267.60 : 42,518,262.24 = 17,057,231.92 : x
  2. Step 2: Convert to fraction form
    30,808,267.60/42,518,262.24 = 17,057,231.92/x
  3. Step 3: Cross multiply
    30,808,267.60x = 42,518,262.24 × 17,057,231.92
  4. Step 4: Simplify right side
    30,808,267.60x = 725,243,859,863,058.75
  5. Step 5: Solve for x
    x = 725,243,859,863,058.75/30,808,267.60
  6. Step 6: Final answer
    x = 23,540,559.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.