Home / 28,147,718.72-38,848,029.36-17,835,407.84

Finding the Fourth Proportional to 28,147,718.72, 38,848,029.36 and 17,835,407.84

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Solution

The fourth proportional to 28,147,718.72, 38,848,029.36 and 17,835,407.84 is: 24,615,509.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,147,718.72 : 38,848,029.36 = 17,835,407.84 : x
  2. Step 2: Convert to fraction form
    28,147,718.72/38,848,029.36 = 17,835,407.84/x
  3. Step 3: Cross multiply
    28,147,718.72x = 38,848,029.36 × 17,835,407.84
  4. Step 4: Simplify right side
    28,147,718.72x = 692,870,447,415,894.12
  5. Step 5: Solve for x
    x = 692,870,447,415,894.12/28,147,718.72
  6. Step 6: Final answer
    x = 24,615,509.85

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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.