Home / 10,436,443.86-15,655,157.86-8,611,423.80

Finding the Fourth Proportional to 10,436,443.86, 15,655,157.86 and 8,611,423.80

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Solution

The fourth proportional to 10,436,443.86, 15,655,157.86 and 8,611,423.80 is: 12,917,541.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,436,443.86 : 15,655,157.86 = 8,611,423.80 : x
  2. Step 2: Convert to fraction form
    10,436,443.86/15,655,157.86 = 8,611,423.80/x
  3. Step 3: Cross multiply
    10,436,443.86x = 15,655,157.86 × 8,611,423.80
  4. Step 4: Simplify right side
    10,436,443.86x = 134,813,198,931,613.84
  5. Step 5: Solve for x
    x = 134,813,198,931,613.84/10,436,443.86
  6. Step 6: Final answer
    x = 12,917,541.72

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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.