Home / 13,639,741.30-18,821,502.93-7,527,775.06

Finding the Fourth Proportional to 13,639,741.30, 18,821,502.93 and 7,527,775.06

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Solution

The fourth proportional to 13,639,741.30, 18,821,502.93 and 7,527,775.06 is: 10,387,590.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,639,741.30 : 18,821,502.93 = 7,527,775.06 : x
  2. Step 2: Convert to fraction form
    13,639,741.30/18,821,502.93 = 7,527,775.06/x
  3. Step 3: Cross multiply
    13,639,741.30x = 18,821,502.93 × 7,527,775.06
  4. Step 4: Simplify right side
    13,639,741.30x = 141,684,040,348,170.91
  5. Step 5: Solve for x
    x = 141,684,040,348,170.91/13,639,741.30
  6. Step 6: Final answer
    x = 10,387,590.00

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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.