Home / 13,379,462.54-18,464,165.84-7,499,205.40

Finding the Fourth Proportional to 13,379,462.54, 18,464,165.84 and 7,499,205.40

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Solution

The fourth proportional to 13,379,462.54, 18,464,165.84 and 7,499,205.40 is: 10,349,187.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,379,462.54 : 18,464,165.84 = 7,499,205.40 : x
  2. Step 2: Convert to fraction form
    13,379,462.54/18,464,165.84 = 7,499,205.40/x
  3. Step 3: Cross multiply
    13,379,462.54x = 18,464,165.84 × 7,499,205.40
  4. Step 4: Simplify right side
    13,379,462.54x = 138,466,572,146,411.14
  5. Step 5: Solve for x
    x = 138,466,572,146,411.14/13,379,462.54
  6. Step 6: Final answer
    x = 10,349,187.93

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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.