Home / 20,590,141-30,884,436.06-6,212,826.76

Finding the Fourth Proportional to 20,590,141, 30,884,436.06 and 6,212,826.76

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Solution

The fourth proportional to 20,590,141, 30,884,436.06 and 6,212,826.76 is: 9,319,006.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,590,141 : 30,884,436.06 = 6,212,826.76 : x
  2. Step 2: Convert to fraction form
    20,590,141/30,884,436.06 = 6,212,826.76/x
  3. Step 3: Cross multiply
    20,590,141x = 30,884,436.06 × 6,212,826.76
  4. Step 4: Simplify right side
    20,590,141x = 191,879,650,821,076.94
  5. Step 5: Solve for x
    x = 191,879,650,821,076.94/20,590,141
  6. Step 6: Final answer
    x = 9,319,006.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.