Home / 20,736,020.10-31,104,030.15-13,171,527.30

Finding the Fourth Proportional to 20,736,020.10, 31,104,030.15 and 13,171,527.30

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Solution

The fourth proportional to 20,736,020.10, 31,104,030.15 and 13,171,527.30 is: 19,757,290.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,020.10 : 31,104,030.15 = 13,171,527.30 : x
  2. Step 2: Convert to fraction form
    20,736,020.10/31,104,030.15 = 13,171,527.30/x
  3. Step 3: Cross multiply
    20,736,020.10x = 31,104,030.15 × 13,171,527.30
  4. Step 4: Simplify right side
    20,736,020.10x = 409,687,582,260,748.12
  5. Step 5: Solve for x
    x = 409,687,582,260,748.12/20,736,020.10
  6. Step 6: Final answer
    x = 19,757,290.95

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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.