Home / 12,277,777.02-18,418,346.28-4,188,580.80

Finding the Fourth Proportional to 12,277,777.02, 18,418,346.28 and 4,188,580.80

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Solution

The fourth proportional to 12,277,777.02, 18,418,346.28 and 4,188,580.80 is: 6,283,444.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,277,777.02 : 18,418,346.28 = 4,188,580.80 : x
  2. Step 2: Convert to fraction form
    12,277,777.02/18,418,346.28 = 4,188,580.80/x
  3. Step 3: Cross multiply
    12,277,777.02x = 18,418,346.28 × 4,188,580.80
  4. Step 4: Simplify right side
    12,277,777.02x = 77,146,731,596,159.42
  5. Step 5: Solve for x
    x = 77,146,731,596,159.42/12,277,777.02
  6. Step 6: Final answer
    x = 6,283,444.59

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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.