Home / 13,172,015.07-18,176,502.47-7,291,251.32

Finding the Fourth Proportional to 13,172,015.07, 18,176,502.47 and 7,291,251.32

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Solution

The fourth proportional to 13,172,015.07, 18,176,502.47 and 7,291,251.32 is: 10,061,440.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,172,015.07 : 18,176,502.47 = 7,291,251.32 : x
  2. Step 2: Convert to fraction form
    13,172,015.07/18,176,502.47 = 7,291,251.32/x
  3. Step 3: Cross multiply
    13,172,015.07x = 18,176,502.47 × 7,291,251.32
  4. Step 4: Simplify right side
    13,172,015.07x = 132,529,447,500,032
  5. Step 5: Solve for x
    x = 132,529,447,500,032/13,172,015.07
  6. Step 6: Final answer
    x = 10,061,440.62

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1.5x scale

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.