Home / 12,302,040.30-18,453,060.45-5,111,184.30

Finding the Fourth Proportional to 12,302,040.30, 18,453,060.45 and 5,111,184.30

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Solution

The fourth proportional to 12,302,040.30, 18,453,060.45 and 5,111,184.30 is: 7,666,776.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,302,040.30 : 18,453,060.45 = 5,111,184.30 : x
  2. Step 2: Convert to fraction form
    12,302,040.30/18,453,060.45 = 5,111,184.30/x
  3. Step 3: Cross multiply
    12,302,040.30x = 18,453,060.45 × 5,111,184.30
  4. Step 4: Simplify right side
    12,302,040.30x = 94,316,992,858,990.92
  5. Step 5: Solve for x
    x = 94,316,992,858,990.92/12,302,040.30
  6. Step 6: Final answer
    x = 7,666,776.45

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Similar ratio
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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.