Home / 13,902,740.64-20,826,960.84-6,605,815.68

Finding the Fourth Proportional to 13,902,740.64, 20,826,960.84 and 6,605,815.68

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Solution

The fourth proportional to 13,902,740.64, 20,826,960.84 and 6,605,815.68 is: 9,895,823.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,902,740.64 : 20,826,960.84 = 6,605,815.68 : x
  2. Step 2: Convert to fraction form
    13,902,740.64/20,826,960.84 = 6,605,815.68/x
  3. Step 3: Cross multiply
    13,902,740.64x = 20,826,960.84 × 6,605,815.68
  4. Step 4: Simplify right side
    13,902,740.64x = 137,579,064,483,617.97
  5. Step 5: Solve for x
    x = 137,579,064,483,617.97/13,902,740.64
  6. Step 6: Final answer
    x = 9,895,823.28

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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.