Home / 21,730,109.58-29,985,796.08-12,563,342.82

Finding the Fourth Proportional to 21,730,109.58, 29,985,796.08 and 12,563,342.82

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Solution

The fourth proportional to 21,730,109.58, 29,985,796.08 and 12,563,342.82 is: 17,336,398.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,730,109.58 : 29,985,796.08 = 12,563,342.82 : x
  2. Step 2: Convert to fraction form
    21,730,109.58/29,985,796.08 = 12,563,342.82/x
  3. Step 3: Cross multiply
    21,730,109.58x = 29,985,796.08 × 12,563,342.82
  4. Step 4: Simplify right side
    21,730,109.58x = 376,721,835,883,652.12
  5. Step 5: Solve for x
    x = 376,721,835,883,652.12/21,730,109.58
  6. Step 6: Final answer
    x = 17,336,398.35

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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.