Home / 34,234,416.70-47,248,339.76-21,185,879.26

Finding the Fourth Proportional to 34,234,416.70, 47,248,339.76 and 21,185,879.26

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Solution

The fourth proportional to 34,234,416.70, 47,248,339.76 and 21,185,879.26 is: 29,239,511.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,234,416.70 : 47,248,339.76 = 21,185,879.26 : x
  2. Step 2: Convert to fraction form
    34,234,416.70/47,248,339.76 = 21,185,879.26/x
  3. Step 3: Cross multiply
    34,234,416.70x = 47,248,339.76 × 21,185,879.26
  4. Step 4: Simplify right side
    34,234,416.70x = 1,000,997,621,390,817.38
  5. Step 5: Solve for x
    x = 1,000,997,621,390,817.38/34,234,416.70
  6. Step 6: Final answer
    x = 29,239,511.52

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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.