Home / 18,637,709.88-27,958,477.72-7,132,854.87

Finding the Fourth Proportional to 18,637,709.88, 27,958,477.72 and 7,132,854.87

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Solution

The fourth proportional to 18,637,709.88, 27,958,477.72 and 7,132,854.87 is: 10,700,014.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,637,709.88 : 27,958,477.72 = 7,132,854.87 : x
  2. Step 2: Convert to fraction form
    18,637,709.88/27,958,477.72 = 7,132,854.87/x
  3. Step 3: Cross multiply
    18,637,709.88x = 27,958,477.72 × 7,132,854.87
  4. Step 4: Simplify right side
    18,637,709.88x = 199,423,763,962,888.50
  5. Step 5: Solve for x
    x = 199,423,763,962,888.50/18,637,709.88
  6. Step 6: Final answer
    x = 10,700,014.39

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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.