Home / 31,653,543.39-47,455,511.01-12,498,638.28

Finding the Fourth Proportional to 31,653,543.39, 47,455,511.01 and 12,498,638.28

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Solution

The fourth proportional to 31,653,543.39, 47,455,511.01 and 12,498,638.28 is: 18,738,163.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,653,543.39 : 47,455,511.01 = 12,498,638.28 : x
  2. Step 2: Convert to fraction form
    31,653,543.39/47,455,511.01 = 12,498,638.28/x
  3. Step 3: Cross multiply
    31,653,543.39x = 47,455,511.01 × 12,498,638.28
  4. Step 4: Simplify right side
    31,653,543.39x = 593,129,266,281,719.38
  5. Step 5: Solve for x
    x = 593,129,266,281,719.38/31,653,543.39
  6. Step 6: Final answer
    x = 18,738,163.34

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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.