Home / 18,120,649.92-25,006,173.48-9,860,430.48

Finding the Fourth Proportional to 18,120,649.92, 25,006,173.48 and 9,860,430.48

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Solution

The fourth proportional to 18,120,649.92, 25,006,173.48 and 9,860,430.48 is: 13,607,218.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,120,649.92 : 25,006,173.48 = 9,860,430.48 : x
  2. Step 2: Convert to fraction form
    18,120,649.92/25,006,173.48 = 9,860,430.48/x
  3. Step 3: Cross multiply
    18,120,649.92x = 25,006,173.48 × 9,860,430.48
  4. Step 4: Simplify right side
    18,120,649.92x = 246,571,635,170,359.69
  5. Step 5: Solve for x
    x = 246,571,635,170,359.69/18,120,649.92
  6. Step 6: Final answer
    x = 13,607,218.08

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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.