Home / 28,811,869.68-43,217,878.34-11,772,542.62

Finding the Fourth Proportional to 28,811,869.68, 43,217,878.34 and 11,772,542.62

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Solution

The fourth proportional to 28,811,869.68, 43,217,878.34 and 11,772,542.62 is: 17,658,844.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,811,869.68 : 43,217,878.34 = 11,772,542.62 : x
  2. Step 2: Convert to fraction form
    28,811,869.68/43,217,878.34 = 11,772,542.62/x
  3. Step 3: Cross multiply
    28,811,869.68x = 43,217,878.34 × 11,772,542.62
  4. Step 4: Simplify right side
    28,811,869.68x = 508,784,314,703,624.88
  5. Step 5: Solve for x
    x = 508,784,314,703,624.88/28,811,869.68
  6. Step 6: Final answer
    x = 17,658,844.09

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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.