Home / 21,730,112.58-29,985,800.22-12,563,345.82

Finding the Fourth Proportional to 21,730,112.58, 29,985,800.22 and 12,563,345.82

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Solution

The fourth proportional to 21,730,112.58, 29,985,800.22 and 12,563,345.82 is: 17,336,402.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,730,112.58 : 29,985,800.22 = 12,563,345.82 : x
  2. Step 2: Convert to fraction form
    21,730,112.58/29,985,800.22 = 12,563,345.82/x
  3. Step 3: Cross multiply
    21,730,112.58x = 29,985,800.22 × 12,563,345.82
  4. Step 4: Simplify right side
    21,730,112.58x = 376,721,977,853,292.06
  5. Step 5: Solve for x
    x = 376,721,977,853,292.06/21,730,112.58
  6. Step 6: Final answer
    x = 17,336,402.49

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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.