Home / 8,447,896.62-12,637,139.79-6,745,365.30

Finding the Fourth Proportional to 8,447,896.62, 12,637,139.79 and 6,745,365.30

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Solution

The fourth proportional to 8,447,896.62, 12,637,139.79 and 6,745,365.30 is: 10,090,337.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,447,896.62 : 12,637,139.79 = 6,745,365.30 : x
  2. Step 2: Convert to fraction form
    8,447,896.62/12,637,139.79 = 6,745,365.30/x
  3. Step 3: Cross multiply
    8,447,896.62x = 12,637,139.79 × 6,745,365.30
  4. Step 4: Simplify right side
    8,447,896.62x = 85,242,124,230,715.28
  5. Step 5: Solve for x
    x = 85,242,124,230,715.28/8,447,896.62
  6. Step 6: Final answer
    x = 10,090,337.05

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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.