Home / 12,166,645.83-18,243,422.70-4,876,447.18

Finding the Fourth Proportional to 12,166,645.83, 18,243,422.70 and 4,876,447.18

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Solution

The fourth proportional to 12,166,645.83, 18,243,422.70 and 4,876,447.18 is: 7,312,047.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,166,645.83 : 18,243,422.70 = 4,876,447.18 : x
  2. Step 2: Convert to fraction form
    12,166,645.83/18,243,422.70 = 4,876,447.18/x
  3. Step 3: Cross multiply
    12,166,645.83x = 18,243,422.70 × 4,876,447.18
  4. Step 4: Simplify right side
    12,166,645.83x = 88,963,087,178,962.98
  5. Step 5: Solve for x
    x = 88,963,087,178,962.98/12,166,645.83
  6. Step 6: Final answer
    x = 7,312,047.09

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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.