Home / 13,694,276-18,897,869.88-7,582,573.28

Finding the Fourth Proportional to 13,694,276, 18,897,869.88 and 7,582,573.28

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Solution

The fourth proportional to 13,694,276, 18,897,869.88 and 7,582,573.28 is: 10,463,823.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,694,276 : 18,897,869.88 = 7,582,573.28 : x
  2. Step 2: Convert to fraction form
    13,694,276/18,897,869.88 = 7,582,573.28/x
  3. Step 3: Cross multiply
    13,694,276x = 18,897,869.88 × 7,582,573.28
  4. Step 4: Simplify right side
    13,694,276x = 143,294,483,201,004.81
  5. Step 5: Solve for x
    x = 143,294,483,201,004.81/13,694,276
  6. Step 6: Final answer
    x = 10,463,823.22

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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.