Home / 27,315,509.55-40,899,842.73-20,807,583.14

Finding the Fourth Proportional to 27,315,509.55, 40,899,842.73 and 20,807,583.14

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Solution

The fourth proportional to 27,315,509.55, 40,899,842.73 and 20,807,583.14 is: 31,155,445.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,315,509.55 : 40,899,842.73 = 20,807,583.14 : x
  2. Step 2: Convert to fraction form
    27,315,509.55/40,899,842.73 = 20,807,583.14/x
  3. Step 3: Cross multiply
    27,315,509.55x = 40,899,842.73 × 20,807,583.14
  4. Step 4: Simplify right side
    27,315,509.55x = 851,026,878,017,399.50
  5. Step 5: Solve for x
    x = 851,026,878,017,399.50/27,315,509.55
  6. Step 6: Final answer
    x = 31,155,445.83

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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.