Home / 8,998,570.12-13,499,262.78-2,931,893.56

Finding the Fourth Proportional to 8,998,570.12, 13,499,262.78 and 2,931,893.56

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Solution

The fourth proportional to 8,998,570.12, 13,499,262.78 and 2,931,893.56 is: 4,398,298.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,998,570.12 : 13,499,262.78 = 2,931,893.56 : x
  2. Step 2: Convert to fraction form
    8,998,570.12/13,499,262.78 = 2,931,893.56/x
  3. Step 3: Cross multiply
    8,998,570.12x = 13,499,262.78 × 2,931,893.56
  4. Step 4: Simplify right side
    8,998,570.12x = 39,578,401,609,429.70
  5. Step 5: Solve for x
    x = 39,578,401,609,429.70/8,998,570.12
  6. Step 6: Final answer
    x = 4,398,298.96

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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.