Home / 13,482,389.16-18,605,762.82-7,370,817.96

Finding the Fourth Proportional to 13,482,389.16, 18,605,762.82 and 7,370,817.96

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Solution

The fourth proportional to 13,482,389.16, 18,605,762.82 and 7,370,817.96 is: 10,171,764.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,482,389.16 : 18,605,762.82 = 7,370,817.96 : x
  2. Step 2: Convert to fraction form
    13,482,389.16/18,605,762.82 = 7,370,817.96/x
  3. Step 3: Cross multiply
    13,482,389.16x = 18,605,762.82 × 7,370,817.96
  4. Step 4: Simplify right side
    13,482,389.16x = 137,139,690,753,156.25
  5. Step 5: Solve for x
    x = 137,139,690,753,156.25/13,482,389.16
  6. Step 6: Final answer
    x = 10,171,764.75

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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.