Home / 13,172,016.07-18,176,503.84-7,291,252.32

Finding the Fourth Proportional to 13,172,016.07, 18,176,503.84 and 7,291,252.32

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Solution

The fourth proportional to 13,172,016.07, 18,176,503.84 and 7,291,252.32 is: 10,061,442.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,172,016.07 : 18,176,503.84 = 7,291,252.32 : x
  2. Step 2: Convert to fraction form
    13,172,016.07/18,176,503.84 = 7,291,252.32/x
  3. Step 3: Cross multiply
    13,172,016.07x = 18,176,503.84 × 7,291,252.32
  4. Step 4: Simplify right side
    13,172,016.07x = 132,529,475,792,888.91
  5. Step 5: Solve for x
    x = 132,529,475,792,888.91/13,172,016.07
  6. Step 6: Final answer
    x = 10,061,442.01

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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.