Home / 13,345,384.50-18,366,985.71-11,003,544.90

Finding the Fourth Proportional to 13,345,384.50, 18,366,985.71 and 11,003,544.90

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Solution

The fourth proportional to 13,345,384.50, 18,366,985.71 and 11,003,544.90 is: 15,143,958.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,345,384.50 : 18,366,985.71 = 11,003,544.90 : x
  2. Step 2: Convert to fraction form
    13,345,384.50/18,366,985.71 = 11,003,544.90/x
  3. Step 3: Cross multiply
    13,345,384.50x = 18,366,985.71 × 11,003,544.90
  4. Step 4: Simplify right side
    13,345,384.50x = 202,101,951,937,643.41
  5. Step 5: Solve for x
    x = 202,101,951,937,643.41/13,345,384.50
  6. Step 6: Final answer
    x = 15,143,958.72

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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.