Home / 12,348,505.04-17,031,341.07-8,431,411.86

Finding the Fourth Proportional to 12,348,505.04, 17,031,341.07 and 8,431,411.86

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Solution

The fourth proportional to 12,348,505.04, 17,031,341.07 and 8,431,411.86 is: 11,628,796.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,348,505.04 : 17,031,341.07 = 8,431,411.86 : x
  2. Step 2: Convert to fraction form
    12,348,505.04/17,031,341.07 = 8,431,411.86/x
  3. Step 3: Cross multiply
    12,348,505.04x = 17,031,341.07 × 8,431,411.86
  4. Step 4: Simplify right side
    12,348,505.04x = 143,598,251,089,303.09
  5. Step 5: Solve for x
    x = 143,598,251,089,303.09/12,348,505.04
  6. Step 6: Final answer
    x = 11,628,796.42

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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.