Home / 20,281,629.96-30,401,962.06-12,713,900.04

Finding the Fourth Proportional to 20,281,629.96, 30,401,962.06 and 12,713,900.04

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Solution

The fourth proportional to 20,281,629.96, 30,401,962.06 and 12,713,900.04 is: 19,058,010.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,281,629.96 : 30,401,962.06 = 12,713,900.04 : x
  2. Step 2: Convert to fraction form
    20,281,629.96/30,401,962.06 = 12,713,900.04/x
  3. Step 3: Cross multiply
    20,281,629.96x = 30,401,962.06 × 12,713,900.04
  4. Step 4: Simplify right side
    20,281,629.96x = 386,527,506,650,712.44
  5. Step 5: Solve for x
    x = 386,527,506,650,712.44/20,281,629.96
  6. Step 6: Final answer
    x = 19,058,010.00

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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.