Home / 18,438,430.20-27,657,645.30-14,851,203.45

Finding the Fourth Proportional to 18,438,430.20, 27,657,645.30 and 14,851,203.45

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Solution

The fourth proportional to 18,438,430.20, 27,657,645.30 and 14,851,203.45 is: 22,276,805.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,438,430.20 : 27,657,645.30 = 14,851,203.45 : x
  2. Step 2: Convert to fraction form
    18,438,430.20/27,657,645.30 = 14,851,203.45/x
  3. Step 3: Cross multiply
    18,438,430.20x = 27,657,645.30 × 14,851,203.45
  4. Step 4: Simplify right side
    18,438,430.20x = 410,749,317,298,236.25
  5. Step 5: Solve for x
    x = 410,749,317,298,236.25/18,438,430.20
  6. Step 6: Final answer
    x = 22,276,805.18

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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.