Home / 10,872,145.41-14,991,234.07-6,946,715.45

Finding the Fourth Proportional to 10,872,145.41, 14,991,234.07 and 6,946,715.45

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Solution

The fourth proportional to 10,872,145.41, 14,991,234.07 and 6,946,715.45 is: 9,578,591.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,872,145.41 : 14,991,234.07 = 6,946,715.45 : x
  2. Step 2: Convert to fraction form
    10,872,145.41/14,991,234.07 = 6,946,715.45/x
  3. Step 3: Cross multiply
    10,872,145.41x = 14,991,234.07 × 6,946,715.45
  4. Step 4: Simplify right side
    10,872,145.41x = 104,139,837,328,635.39
  5. Step 5: Solve for x
    x = 104,139,837,328,635.39/10,872,145.41
  6. Step 6: Final answer
    x = 9,578,591.29

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.