Home / 13,768,037.48-18,996,490.50-8,608,817

Finding the Fourth Proportional to 13,768,037.48, 18,996,490.50 and 8,608,817

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Solution

The fourth proportional to 13,768,037.48, 18,996,490.50 and 8,608,817 is: 11,878,040.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,768,037.48 : 18,996,490.50 = 8,608,817 : x
  2. Step 2: Convert to fraction form
    13,768,037.48/18,996,490.50 = 8,608,817/x
  3. Step 3: Cross multiply
    13,768,037.48x = 18,996,490.50 × 8,608,817
  4. Step 4: Simplify right side
    13,768,037.48x = 163,537,310,356,738.50
  5. Step 5: Solve for x
    x = 163,537,310,356,738.50/13,768,037.48
  6. Step 6: Final answer
    x = 11,878,040.76

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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.