Home / 20,592,260.40-28,430,631.10-12,760,083.66

Finding the Fourth Proportional to 20,592,260.40, 28,430,631.10 and 12,760,083.66

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Solution

The fourth proportional to 20,592,260.40, 28,430,631.10 and 12,760,083.66 is: 17,617,164.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,592,260.40 : 28,430,631.10 = 12,760,083.66 : x
  2. Step 2: Convert to fraction form
    20,592,260.40/28,430,631.10 = 12,760,083.66/x
  3. Step 3: Cross multiply
    20,592,260.40x = 28,430,631.10 × 12,760,083.66
  4. Step 4: Simplify right side
    20,592,260.40x = 362,777,231,342,597.88
  5. Step 5: Solve for x
    x = 362,777,231,342,597.88/20,592,260.40
  6. Step 6: Final answer
    x = 17,617,164.13

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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.