Home / 19,201,637.47-28,802,485.37-7,842,086.10

Finding the Fourth Proportional to 19,201,637.47, 28,802,485.37 and 7,842,086.10

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Solution

The fourth proportional to 19,201,637.47, 28,802,485.37 and 7,842,086.10 is: 11,763,141.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,201,637.47 : 28,802,485.37 = 7,842,086.10 : x
  2. Step 2: Convert to fraction form
    19,201,637.47/28,802,485.37 = 7,842,086.10/x
  3. Step 3: Cross multiply
    19,201,637.47x = 28,802,485.37 × 7,842,086.10
  4. Step 4: Simplify right side
    19,201,637.47x = 225,871,570,165,530.34
  5. Step 5: Solve for x
    x = 225,871,570,165,530.34/19,201,637.47
  6. Step 6: Final answer
    x = 11,763,141.06

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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.