Home / 10,492,871.88-15,720,126-7,607,091.67

Finding the Fourth Proportional to 10,492,871.88, 15,720,126 and 7,607,091.67

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Solution

The fourth proportional to 10,492,871.88, 15,720,126 and 7,607,091.67 is: 11,396,731.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,492,871.88 : 15,720,126 = 7,607,091.67 : x
  2. Step 2: Convert to fraction form
    10,492,871.88/15,720,126 = 7,607,091.67/x
  3. Step 3: Cross multiply
    10,492,871.88x = 15,720,126 × 7,607,091.67
  4. Step 4: Simplify right side
    10,492,871.88x = 119,584,439,545,950.42
  5. Step 5: Solve for x
    x = 119,584,439,545,950.42/10,492,871.88
  6. Step 6: Final answer
    x = 11,396,731.13

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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.