Home / 11,611,953.84-16,025,043.18-6,455,401.50

Finding the Fourth Proportional to 11,611,953.84, 16,025,043.18 and 6,455,401.50

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Solution

The fourth proportional to 11,611,953.84, 16,025,043.18 and 6,455,401.50 is: 8,908,758.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,611,953.84 : 16,025,043.18 = 6,455,401.50 : x
  2. Step 2: Convert to fraction form
    11,611,953.84/16,025,043.18 = 6,455,401.50/x
  3. Step 3: Cross multiply
    11,611,953.84x = 16,025,043.18 × 6,455,401.50
  4. Step 4: Simplify right side
    11,611,953.84x = 103,448,087,781,736.77
  5. Step 5: Solve for x
    x = 103,448,087,781,736.77/11,611,953.84
  6. Step 6: Final answer
    x = 8,908,758.10

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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.