Home / 10,513,114.40-15,744,788.40-7,128,999.20

Finding the Fourth Proportional to 10,513,114.40, 15,744,788.40 and 7,128,999.20

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Solution

The fourth proportional to 10,513,114.40, 15,744,788.40 and 7,128,999.20 is: 10,676,625.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,513,114.40 : 15,744,788.40 = 7,128,999.20 : x
  2. Step 2: Convert to fraction form
    10,513,114.40/15,744,788.40 = 7,128,999.20/x
  3. Step 3: Cross multiply
    10,513,114.40x = 15,744,788.40 × 7,128,999.20
  4. Step 4: Simplify right side
    10,513,114.40x = 112,244,583,907,769.28
  5. Step 5: Solve for x
    x = 112,244,583,907,769.28/10,513,114.40
  6. Step 6: Final answer
    x = 10,676,625.37

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