Home / 7,999,650-12,001,798.82-2,881,982.52

Finding the Fourth Proportional to 7,999,650, 12,001,798.82 and 2,881,982.52

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Solution

The fourth proportional to 7,999,650, 12,001,798.82 and 2,881,982.52 is: 4,323,810.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,999,650 : 12,001,798.82 = 2,881,982.52 : x
  2. Step 2: Convert to fraction form
    7,999,650/12,001,798.82 = 2,881,982.52/x
  3. Step 3: Cross multiply
    7,999,650x = 12,001,798.82 × 2,881,982.52
  4. Step 4: Simplify right side
    7,999,650x = 34,588,974,415,001.58
  5. Step 5: Solve for x
    x = 34,588,974,415,001.58/7,999,650
  6. Step 6: Final answer
    x = 4,323,810.97

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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.