Home / 14,508,418.40-20,020,815.60-8,069,475.68

Finding the Fourth Proportional to 14,508,418.40, 20,020,815.60 and 8,069,475.68

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Solution

The fourth proportional to 14,508,418.40, 20,020,815.60 and 8,069,475.68 is: 11,135,430.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,508,418.40 : 20,020,815.60 = 8,069,475.68 : x
  2. Step 2: Convert to fraction form
    14,508,418.40/20,020,815.60 = 8,069,475.68/x
  3. Step 3: Cross multiply
    14,508,418.40x = 20,020,815.60 × 8,069,475.68
  4. Step 4: Simplify right side
    14,508,418.40x = 161,557,484,577,964.62
  5. Step 5: Solve for x
    x = 161,557,484,577,964.62/14,508,418.40
  6. Step 6: Final answer
    x = 11,135,430.49

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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.