Home / 12,037,911.12-18,046,237.59-9,210,645

Finding the Fourth Proportional to 12,037,911.12, 18,046,237.59 and 9,210,645

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Solution

The fourth proportional to 12,037,911.12, 18,046,237.59 and 9,210,645 is: 13,807,834.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,037,911.12 : 18,046,237.59 = 9,210,645 : x
  2. Step 2: Convert to fraction form
    12,037,911.12/18,046,237.59 = 9,210,645/x
  3. Step 3: Cross multiply
    12,037,911.12x = 18,046,237.59 × 9,210,645
  4. Step 4: Simplify right side
    12,037,911.12x = 166,217,488,027,145.56
  5. Step 5: Solve for x
    x = 166,217,488,027,145.56/12,037,911.12
  6. Step 6: Final answer
    x = 13,807,834.80

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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.