Home / 19,201,637.53-28,802,485.45-7,842,086.16

Finding the Fourth Proportional to 19,201,637.53, 28,802,485.45 and 7,842,086.16

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Solution

The fourth proportional to 19,201,637.53, 28,802,485.45 and 7,842,086.16 is: 11,763,141.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,201,637.53 : 28,802,485.45 = 7,842,086.16 : x
  2. Step 2: Convert to fraction form
    19,201,637.53/28,802,485.45 = 7,842,086.16/x
  3. Step 3: Cross multiply
    19,201,637.53x = 28,802,485.45 × 7,842,086.16
  4. Step 4: Simplify right side
    19,201,637.53x = 225,871,572,377,033.94
  5. Step 5: Solve for x
    x = 225,871,572,377,033.94/19,201,637.53
  6. Step 6: Final answer
    x = 11,763,141.14

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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.