Home / 30,809,337.48-42,518,214-17,058,301.20

Finding the Fourth Proportional to 30,809,337.48, 42,518,214 and 17,058,301.20

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Solution

The fourth proportional to 30,809,337.48, 42,518,214 and 17,058,301.20 is: 23,541,191.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,809,337.48 : 42,518,214 = 17,058,301.20 : x
  2. Step 2: Convert to fraction form
    30,809,337.48/42,518,214 = 17,058,301.20/x
  3. Step 3: Cross multiply
    30,809,337.48x = 42,518,214 × 17,058,301.20
  4. Step 4: Simplify right side
    30,809,337.48x = 725,288,500,898,056.75
  5. Step 5: Solve for x
    x = 725,288,500,898,056.75/30,809,337.48
  6. Step 6: Final answer
    x = 23,541,191.09

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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.