Home / 14,287,671.25-19,714,649.05-8,412,256.67

Finding the Fourth Proportional to 14,287,671.25, 19,714,649.05 and 8,412,256.67

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Solution

The fourth proportional to 14,287,671.25, 19,714,649.05 and 8,412,256.67 is: 11,607,538.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,287,671.25 : 19,714,649.05 = 8,412,256.67 : x
  2. Step 2: Convert to fraction form
    14,287,671.25/19,714,649.05 = 8,412,256.67/x
  3. Step 3: Cross multiply
    14,287,671.25x = 19,714,649.05 × 8,412,256.67
  4. Step 4: Simplify right side
    14,287,671.25x = 165,844,687,967,571.66
  5. Step 5: Solve for x
    x = 165,844,687,967,571.66/14,287,671.25
  6. Step 6: Final answer
    x = 11,607,538.07

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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.