Home / 10,280,436.84-14,187,087.36-5,696,834.76

Finding the Fourth Proportional to 10,280,436.84, 14,187,087.36 and 5,696,834.76

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Solution

The fourth proportional to 10,280,436.84, 14,187,087.36 and 5,696,834.76 is: 7,861,678.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,280,436.84 : 14,187,087.36 = 5,696,834.76 : x
  2. Step 2: Convert to fraction form
    10,280,436.84/14,187,087.36 = 5,696,834.76/x
  3. Step 3: Cross multiply
    10,280,436.84x = 14,187,087.36 × 5,696,834.76
  4. Step 4: Simplify right side
    10,280,436.84x = 80,821,492,415,604.62
  5. Step 5: Solve for x
    x = 80,821,492,415,604.62/10,280,436.84
  6. Step 6: Final answer
    x = 7,861,678.81

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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.