Home / 17,219,761-23,761,199.80-9,877,214.68

Finding the Fourth Proportional to 17,219,761, 23,761,199.80 and 9,877,214.68

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Solution

The fourth proportional to 17,219,761, 23,761,199.80 and 9,877,214.68 is: 13,629,368.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,219,761 : 23,761,199.80 = 9,877,214.68 : x
  2. Step 2: Convert to fraction form
    17,219,761/23,761,199.80 = 9,877,214.68/x
  3. Step 3: Cross multiply
    17,219,761x = 23,761,199.80 × 9,877,214.68
  4. Step 4: Simplify right side
    17,219,761x = 234,694,471,478,973.06
  5. Step 5: Solve for x
    x = 234,694,471,478,973.06/17,219,761
  6. Step 6: Final answer
    x = 13,629,368.69

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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.