Home / 20,225,386.96-30,334,758.80-8,707,752.88

Finding the Fourth Proportional to 20,225,386.96, 30,334,758.80 and 8,707,752.88

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Solution

The fourth proportional to 20,225,386.96, 30,334,758.80 and 8,707,752.88 is: 13,060,199.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,225,386.96 : 30,334,758.80 = 8,707,752.88 : x
  2. Step 2: Convert to fraction form
    20,225,386.96/30,334,758.80 = 8,707,752.88/x
  3. Step 3: Cross multiply
    20,225,386.96x = 30,334,758.80 × 8,707,752.88
  4. Step 4: Simplify right side
    20,225,386.96x = 264,147,583,304,805.38
  5. Step 5: Solve for x
    x = 264,147,583,304,805.38/20,225,386.96
  6. Step 6: Final answer
    x = 13,060,199.24

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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.