Home / 18,430,137.92-25,438,649.04-10,697,671.40

Finding the Fourth Proportional to 18,430,137.92, 25,438,649.04 and 10,697,671.40

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Solution

The fourth proportional to 18,430,137.92, 25,438,649.04 and 10,697,671.40 is: 14,765,722.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,430,137.92 : 25,438,649.04 = 10,697,671.40 : x
  2. Step 2: Convert to fraction form
    18,430,137.92/25,438,649.04 = 10,697,671.40/x
  3. Step 3: Cross multiply
    18,430,137.92x = 25,438,649.04 × 10,697,671.40
  4. Step 4: Simplify right side
    18,430,137.92x = 272,134,308,289,845.47
  5. Step 5: Solve for x
    x = 272,134,308,289,845.47/18,430,137.92
  6. Step 6: Final answer
    x = 14,765,722.83

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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.