Home / 11,611,970.84-16,025,066.70-6,455,418.56

Finding the Fourth Proportional to 11,611,970.84, 16,025,066.70 and 6,455,418.56

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Solution

The fourth proportional to 11,611,970.84, 16,025,066.70 and 6,455,418.56 is: 8,908,781.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,611,970.84 : 16,025,066.70 = 6,455,418.56 : x
  2. Step 2: Convert to fraction form
    11,611,970.84/16,025,066.70 = 6,455,418.56/x
  3. Step 3: Cross multiply
    11,611,970.84x = 16,025,066.70 × 6,455,418.56
  4. Step 4: Simplify right side
    11,611,970.84x = 103,448,513,000,417.94
  5. Step 5: Solve for x
    x = 103,448,513,000,417.94/11,611,970.84
  6. Step 6: Final answer
    x = 8,908,781.67

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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.