Home / 55,248,014.88-82,849,221.54-18,859,336.20

Finding the Fourth Proportional to 55,248,014.88, 82,849,221.54 and 18,859,336.20

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Solution

The fourth proportional to 55,248,014.88, 82,849,221.54 and 18,859,336.20 is: 28,281,221.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,248,014.88 : 82,849,221.54 = 18,859,336.20 : x
  2. Step 2: Convert to fraction form
    55,248,014.88/82,849,221.54 = 18,859,336.20/x
  3. Step 3: Cross multiply
    55,248,014.88x = 82,849,221.54 × 18,859,336.20
  4. Step 4: Simplify right side
    55,248,014.88x = 1,562,481,322,931,141.75
  5. Step 5: Solve for x
    x = 1,562,481,322,931,141.75/55,248,014.88
  6. Step 6: Final answer
    x = 28,281,221.08

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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.