Home / 18,212,339.93-25,134,461.80-10,372,183.70

Finding the Fourth Proportional to 18,212,339.93, 25,134,461.80 and 10,372,183.70

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Solution

The fourth proportional to 18,212,339.93, 25,134,461.80 and 10,372,183.70 is: 14,314,429.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,212,339.93 : 25,134,461.80 = 10,372,183.70 : x
  2. Step 2: Convert to fraction form
    18,212,339.93/25,134,461.80 = 10,372,183.70/x
  3. Step 3: Cross multiply
    18,212,339.93x = 25,134,461.80 × 10,372,183.70
  4. Step 4: Simplify right side
    18,212,339.93x = 260,699,254,838,629.91
  5. Step 5: Solve for x
    x = 260,699,254,838,629.91/18,212,339.93
  6. Step 6: Final answer
    x = 14,314,429.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.