Home / 13,929,377.51-19,222,540.95-7,817,806.01

Finding the Fourth Proportional to 13,929,377.51, 19,222,540.95 and 7,817,806.01

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Solution

The fourth proportional to 13,929,377.51, 19,222,540.95 and 7,817,806.01 is: 10,788,572.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,929,377.51 : 19,222,540.95 = 7,817,806.01 : x
  2. Step 2: Convert to fraction form
    13,929,377.51/19,222,540.95 = 7,817,806.01/x
  3. Step 3: Cross multiply
    13,929,377.51x = 19,222,540.95 × 7,817,806.01
  4. Step 4: Simplify right side
    13,929,377.51x = 150,278,096,166,381.09
  5. Step 5: Solve for x
    x = 150,278,096,166,381.09/13,929,377.51
  6. Step 6: Final answer
    x = 10,788,572.29

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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.