Home / 10,378,330.77-15,567,551.60-6,806,715.12

Finding the Fourth Proportional to 10,378,330.77, 15,567,551.60 and 6,806,715.12

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Solution

The fourth proportional to 10,378,330.77, 15,567,551.60 and 6,806,715.12 is: 10,210,109.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,378,330.77 : 15,567,551.60 = 6,806,715.12 : x
  2. Step 2: Convert to fraction form
    10,378,330.77/15,567,551.60 = 6,806,715.12/x
  3. Step 3: Cross multiply
    10,378,330.77x = 15,567,551.60 × 6,806,715.12
  4. Step 4: Simplify right side
    10,378,330.77x = 105,963,888,823,066.62
  5. Step 5: Solve for x
    x = 105,963,888,823,066.62/10,378,330.77
  6. Step 6: Final answer
    x = 10,210,109.04

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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.