Home / 19,201,632.40-28,802,477.76-7,842,081.03

Finding the Fourth Proportional to 19,201,632.40, 28,802,477.76 and 7,842,081.03

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Solution

The fourth proportional to 19,201,632.40, 28,802,477.76 and 7,842,081.03 is: 11,763,133.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,201,632.40 : 28,802,477.76 = 7,842,081.03 : x
  2. Step 2: Convert to fraction form
    19,201,632.40/28,802,477.76 = 7,842,081.03/x
  3. Step 3: Cross multiply
    19,201,632.40x = 28,802,477.76 × 7,842,081.03
  4. Step 4: Simplify right side
    19,201,632.40x = 225,871,364,365,387.50
  5. Step 5: Solve for x
    x = 225,871,364,365,387.50/19,201,632.40
  6. Step 6: Final answer
    x = 11,763,133.45

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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.