Home / 34,234,415.83-47,248,338.54-21,185,878.38

Finding the Fourth Proportional to 34,234,415.83, 47,248,338.54 and 21,185,878.38

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Solution

The fourth proportional to 34,234,415.83, 47,248,338.54 and 21,185,878.38 is: 29,239,510.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,234,415.83 : 47,248,338.54 = 21,185,878.38 : x
  2. Step 2: Convert to fraction form
    34,234,415.83/47,248,338.54 = 21,185,878.38/x
  3. Step 3: Cross multiply
    34,234,415.83x = 47,248,338.54 × 21,185,878.38
  4. Step 4: Simplify right side
    34,234,415.83x = 1,000,997,553,867,772.50
  5. Step 5: Solve for x
    x = 1,000,997,553,867,772.50/34,234,415.83
  6. Step 6: Final answer
    x = 29,239,510.29

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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.