Home / 12,250,282.68-16,905,389.94-6,819,057.72

Finding the Fourth Proportional to 12,250,282.68, 16,905,389.94 and 6,819,057.72

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Solution

The fourth proportional to 12,250,282.68, 16,905,389.94 and 6,819,057.72 is: 9,410,299.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,250,282.68 : 16,905,389.94 = 6,819,057.72 : x
  2. Step 2: Convert to fraction form
    12,250,282.68/16,905,389.94 = 6,819,057.72/x
  3. Step 3: Cross multiply
    12,250,282.68x = 16,905,389.94 × 6,819,057.72
  4. Step 4: Simplify right side
    12,250,282.68x = 115,278,829,779,967.34
  5. Step 5: Solve for x
    x = 115,278,829,779,967.34/12,250,282.68
  6. Step 6: Final answer
    x = 9,410,299.57

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1.5x scale

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.