Home / 8,308,699.86-12,461,803.20-2,628,186.06

Finding the Fourth Proportional to 8,308,699.86, 12,461,803.20 and 2,628,186.06

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Solution

The fourth proportional to 8,308,699.86, 12,461,803.20 and 2,628,186.06 is: 3,941,884.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,308,699.86 : 12,461,803.20 = 2,628,186.06 : x
  2. Step 2: Convert to fraction form
    8,308,699.86/12,461,803.20 = 2,628,186.06/x
  3. Step 3: Cross multiply
    8,308,699.86x = 12,461,803.20 × 2,628,186.06
  4. Step 4: Simplify right side
    8,308,699.86x = 32,751,937,452,703.39
  5. Step 5: Solve for x
    x = 32,751,937,452,703.39/8,308,699.86
  6. Step 6: Final answer
    x = 3,941,884.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.