Home / 12,042,885.16-16,611,622.20-7,144,639.44

Finding the Fourth Proportional to 12,042,885.16, 16,611,622.20 and 7,144,639.44

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Solution

The fourth proportional to 12,042,885.16, 16,611,622.20 and 7,144,639.44 is: 9,855,117.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,042,885.16 : 16,611,622.20 = 7,144,639.44 : x
  2. Step 2: Convert to fraction form
    12,042,885.16/16,611,622.20 = 7,144,639.44/x
  3. Step 3: Cross multiply
    12,042,885.16x = 16,611,622.20 × 7,144,639.44
  4. Step 4: Simplify right side
    12,042,885.16x = 118,684,051,132,499.56
  5. Step 5: Solve for x
    x = 118,684,051,132,499.56/12,042,885.16
  6. Step 6: Final answer
    x = 9,855,117.74

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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.