Home / 14,611,618.95-20,166,162.33-8,415,459.75

Finding the Fourth Proportional to 14,611,618.95, 20,166,162.33 and 8,415,459.75

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Solution

The fourth proportional to 14,611,618.95, 20,166,162.33 and 8,415,459.75 is: 11,614,560.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,611,618.95 : 20,166,162.33 = 8,415,459.75 : x
  2. Step 2: Convert to fraction form
    14,611,618.95/20,166,162.33 = 8,415,459.75/x
  3. Step 3: Cross multiply
    14,611,618.95x = 20,166,162.33 × 8,415,459.75
  4. Step 4: Simplify right side
    14,611,618.95x = 169,707,527,400,081.19
  5. Step 5: Solve for x
    x = 169,707,527,400,081.19/14,611,618.95
  6. Step 6: Final answer
    x = 11,614,560.16

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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.