Home / 17,890,460.32-26,835,923.70-5,111,381.92

Finding the Fourth Proportional to 17,890,460.32, 26,835,923.70 and 5,111,381.92

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Solution

The fourth proportional to 17,890,460.32, 26,835,923.70 and 5,111,381.92 is: 7,667,139.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,890,460.32 : 26,835,923.70 = 5,111,381.92 : x
  2. Step 2: Convert to fraction form
    17,890,460.32/26,835,923.70 = 5,111,381.92/x
  3. Step 3: Cross multiply
    17,890,460.32x = 26,835,923.70 × 5,111,381.92
  4. Step 4: Simplify right side
    17,890,460.32x = 137,168,655,206,679.50
  5. Step 5: Solve for x
    x = 137,168,655,206,679.50/17,890,460.32
  6. Step 6: Final answer
    x = 7,667,139.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.