Home / 13,359,029.66-18,435,496.65-7,247,458.16

Finding the Fourth Proportional to 13,359,029.66, 18,435,496.65 and 7,247,458.16

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Solution

The fourth proportional to 13,359,029.66, 18,435,496.65 and 7,247,458.16 is: 10,001,511.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,359,029.66 : 18,435,496.65 = 7,247,458.16 : x
  2. Step 2: Convert to fraction form
    13,359,029.66/18,435,496.65 = 7,247,458.16/x
  3. Step 3: Cross multiply
    13,359,029.66x = 18,435,496.65 × 7,247,458.16
  4. Step 4: Simplify right side
    13,359,029.66x = 133,610,490,537,517.67
  5. Step 5: Solve for x
    x = 133,610,490,537,517.67/13,359,029.66
  6. Step 6: Final answer
    x = 10,001,511.64

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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.